
User Guide
Kasa Smart Wi-Fi Outdoor Plug-in Dimmer
KP405
© 2021 TP-Link 1910013058 REV1.0.0

Contents
About This Guide ···················································· 1
Introduction ······························································· 2
Appearance ······························································· 3
Set Up Your Outdoor Plug-in Dimmer ········· 4
Install Following Waterproof Tips ··················· 5
Main Device Controls ··········································· 6
Adjust Brightness ··················································· 7
Set Preset Brightness ·········································· 8
Set Schedules ························································10
Set Timer ···································································13
Set Away Mode ······················································14
Manage Device Settings ··································15
Reset Your Outdoor Plug-in Dimmer ·········21
Create Groups ························································24
Create Scenes························································31
Smart Actions ·························································33
Set Up Voice Assistants ···································43
Authentication ························································47

1
About This Guide
This guide provides a brief introduction to smart outdoor plug and the Kasa Smart app, as well as regulatory information.
Features available of this product and in Kasa Smart may vary by model and software version. Smart Outdoor Plug-in Dimmer and Kasa Smart
availability may also vary by region. All images, steps, and descriptions in this guide are only examples and may not reect your actual experience.
Conventions
In this guide, the following convention is used:
Convention Description
Teal
Key information appears in teal, including management page text such as menus, items, buttons and so on.
Underline
Hyperlinks are in teal and underlined. You can click to redirect to a website.
More Info
• Specications can be found on the product page at https://www.tp-link.com.
• Our Technical Support and troubleshooting information can be found at https://www.tp-link.com/support.

2
Introduction
Extend your smart home to the outdoors with the weather-resistant smart outdoor plug-in dimmer. Work with dimmabled bulbs to dim brightness from
100% to 1%. Control your plug-in dimmer from anywhere, set schedules, even use simple voice commands with Alexa or Google Assistant to control
the bulbs connected to the plug-in dimmer.
• Weather-resistant - IP64 rating and weather-resistant cover ensure your outdoor plug-in dimmer is protected against entry of dust and splashes of
water from any direction.*
*To prevent water from entering, always keep the socket of the plug-in dimmer faced down and cover the socket with the weatherproof cover when not in use.
• Control from Anywhere - Turn your connected light on and o from anywhere using your Kasa Smart app.
• Brightness adjustment - Dim your light brightness from 100% to 1%.
• Voice Control - Use simple voice commands with Alexa or Google Assistant to control your connected devices.
• No Hub Required - This plug-in dimmer works with a secured 2.4 GHz wireless network without the need for a separate hub.
• Set Schedules - Switch your connected device on and o automatically, or use a preset brightness.

3
Appearance
This Smart Outdoor Plug-in Dimmer has one control button to turn on or o the connected light and an LED to show you the current status. The LED
changes color according to dierent status. See the explanation below:
Provided clamp:
Blinking Orange
Resetting.
Blinking Green
Searching for Wi-Fi.
Red
No Wi-Fi connection.
Blinking Orange and Green
Setup mode initiated.
System LED
Orange
Rebooting.
Green
Connected to Wi-Fi network successfully.
Smart Outlet
Plug in your device and control it from your smartphone.
Control Button
Press to turn on or o the plug.
Press for 5s to reset Wi-Fi connection while keeping previous settings.
Press for 10s to factory reset your plug-in dimmer.
Press twice quickly to cycle through the four preset levels of brightness.
You can change presets in the Kasa Smart app.
Provided screw: Provided anchor:
Unit: mm
Unit: mm

4
Set Up Your Outdoor Plug-in Dimmer
Follow the steps below to set up your plug-in dimmer via Kasa Smart app.
1. Download and install Kasa app
Get the Kasa Smart app from the App Store
or Google Play, or by scanning the QR code
below.
2. Log in or sign up with TP-Link ID
Open the app, and log in with your TP-Link ID.
If you don't have an account, create one rst.
3. Add Device
Tap the + button in the Kasa app, go to Smart
Plug > Smart Outdoor Plug and then follow
app instructions to complete the setup.
Note: When not in use, the sockets should be rmly
capped with the weather-resistant cover.

5
Install Following Waterproof Tips
Following are some tips to waterproof you Smart Outdoor Plug-in Dimmer when used in outdoor.

6
Main Device Controls
After you successfully set up your Smart Outdoor Plug-in Dimmer, you will see the home page of the Kasa Smart app. Here you can view and manage
all devices that you've added to Kasa. Tap your plug-in dimmer to control and manage it.
Home Page
You can see all your Kasa devices listed in the Home page.
Turn on/o the plug-in dimmer
Tap your plug-in dimmer, then you can check or change its status.

7
Adjust Brightness
Adjust the brightness of your light from 1% to 100% to have the perfect atmosphere for any activities.
Go to the status page and tap the Brightness tab. Your light will change brightness to the value you set.

8
Set Preset Brightness
Set preset brightness levels so you can switch to the desired brightness with just one tap. You can set up to
4 preset brightness levels.
Method 1- In the Status Page
1. Go to the status page and tap the Brightness tab. Tap
the circle on the top and choose a brightness. A preset
brightness is set successfully.
2. Change the preset brightness.
Tap a preset, then tap beside it. A pop up message will appear in the bottom.
Choose another brightness level and tap Save.

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Method 2- Through the Presets Tab
1. Go to the status page and tap the Presets tab. 2. Change the preset brightness.
Tap beside a Preset to customize its brightness. Or tap Gentle O to fade your
light o slowly when you turn o light..

10
Set Schedules
Schedule: Set schedules to automatically turn on/o the light connected to your plug-in dimmer according
to your daily routine.
1. Tap your Smart Outdoor Plug-in Dimmer
in the Home page, and then tap .
2. Tap + on the top right corner. 3. Choose an action that you want your
light to do, for example, simply turn on/
o at certain time, or turn on at a preset
brightness.

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4. Set fade rate, i.e., how long you would like your light to fade in after your
schedule starts.
5. Select the time and repeating frequency at which
you want your schedule to run.

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5. Tap Save and you'll see your schedule listed in the Schedule Page. Now your light
will be turned on to 80% brightness at 7:30 AM every weekday.
You can add more schedules following the same steps.

13
Set Timer
Timer: Set the timer for your plug-in dimmer to automatically turn on/o after the specied time ends.
1. Tap your Smart Outdoor Plug-in Dimmer
in the Home page, and then tap .
2. Set the time after which the plug-in dimmer
will be automatically turned on/o.
e.g. when I turn on the outdoor light, I want it to
turn o automatically after 30 minutes.
2. Tap START and you'll see the timer is
counting down. Tap STOP to stop the Timer
at any time.

14
Set Away Mode
Away Mode: Set Away Mode for your plug-in dimmer to turn on/o automatically at random intervals while
you are away to make the appearance that someone is at home.
1. Tap your Smart Outdoor Plug-in Dimmer
in the Home page, and then tap .
2. Set the start and end time during which the plug-in dimmer will be automatically turned on and
o at random intervals, then choose the repeating frequency.
e.g. I want my outdoor light to turn on/o from 6:00 PM to 11:59 PM every Friday, Saturday and Sunday.

15
Manage Device Settings
You can change the settings in the Device Settings page.
Tap your Smart Outdoor Plug-in Dimmer in the Home page and then tap to enter the Device Settings page.

16
Change the name and icon of the Smart Outdoor Plug-in Dimmer.
Change Device Name & Icon

17
Set Fade On Speed / Fade O Speed to slowly turn the light on or o so as to ease the strain on your eyes.
Customize Smart Dimmer Conguration Settings

18
Turn on / o LED on the plug-in dimmer.
Turn On/O LED

19
Take a look at the main features of the Smart Outdoor Plug-in Dimmer.
Feature Tutorial

20
Calibrate your light to avoid ickering.
Test the dimming range of your plug-in dimmer by slowly reducing the brightness of your light until you nd the minimum level of brightness.
Dimming Calibration

21
Reset Your Outdoor Plug-in Dimmer
There are three methods to reset your Smart Outdoor Plug-in Dimmer.
Method 1
Swipe left your Smart Outdoor Plug-in Dimmer and tap Delete. Then tap Remove Device. Your device will be removed from your Kasa account and
restored to factory settings.

22
Method 2
Tap your Smart Outdoor Plug-in Dimmer and go to the Devices Settings page. Then tap Remove Device in the bottom. Your Smart Dimmer Switch will
be removed from your Kasa account and restored to factory settings.

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Method 3
Press and hold the power button on the panel for 10s to restore your plug-in dimmer to factory default settings.
Press and hold the power button on the panel for 5s to reset Wi-Fi connection while keeping previous settings.
Power button

24
Create Groups
With groups, you can control multiple devices simultaneously. This page allows you to add your Smart Outdoor Plug-in Dimmer and your other Kasa
smart devices to a group for unied management.
1. Create groups for your Smart Outdoor Plug-in Dimmer
1. Tap the button in the Home page of
the Kasa Smart app, and select Group.
2. Select your Smart Outdoor Plug-in Dimmer
and other Kasa smart devices and tap Save.
3. Name the group.

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4. The created group is listed in the Home page. You can tap ON or
OFF to turn on or o the devices together in the group.

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2. Manage the group
1. Tap the group you want to manage. 2. Turn on or o the devices in the Group in
the status page.
3. Tap Brightness to adjust the brightness
of your plug-in dimmer and light strip.

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4. Tap Color to adjust the color of your light strip.
Note: This is avaliable only when the other device in the group supports this
feature.
5. Tap in the top right corner to enter the settings page. You can
change the group name or devices in the group as you like.

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3. Remove the group-Method 1
In the Devices page, swipe your group left, then tap Delete.

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3. Remove the group-Method 2
1. Go to the settings page of your group.

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2. Tap Remove Group if you want to remove the group from your device list. Then double conrm it.
All devices in the group will remain accessible on the device list.

31
Create Scenes
A scene is a preset group of smart devices that can be programmed, customized and activated simultaneously at the touch of a button from your
smartphone or tablet, allowing you to easily set your mood, activity or t any special occasion. This page allows you to preset how your smart home
devices should act automatically at special occasions.
1. Tap at the bottom, then select a
scene or create your own scene.
e.g. I want to turn on outdoor light and turn
o air conditioner simultaneously.
2. Select devices for the scene to work on and
set their status respectively.
3. Pick an icon for your scene.

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4. Name your scene. 5. Tap Save. Then your scene is created successfully.

33
Smart Actions
Smart Actions is a function provided that enables device interconnections and home automations. With Smart Actions, your Kasa devices can work
together to create a smarter smart home. From the moment you wake up to the moment you drift asleep, Smart Actions make your home safer and
more comfortable.
1. Tap at the bottom, then tap Add
an Action.
2. Select an automation type for your Smart
Actions.
Motion Sensing: Take actions when a Kasa
camera senses a motion.
Control With a Switch: Extending the Smart
Switch control to other Kasa Smart devices. Turn
on/o a group of devices with the Smart Switch
all together.
Schedule a Scene: Schedule a “Scene” to be
turned on automatically at the time specied.
Auto-o Timer: Whenever a Smart device is
turned on, turn it o after the designated amount
of time.

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1. Tap Motion Sensing then select a camera. 2. Select your plug-in dimmer.
1. Congure Motion Sensing If you already have a Kasa Smart Camera
e.g.: I want to turn the outdoor light on when my Kasa camera senses a motion.

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3. Set the time when you want to be notied. You can choose Always or tap Custom to choose time according to your needs.
For example: I want the motion to trigger the outdoor light on from 11:00 PM to 7:00 AM every day.

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4. (Optional) Set an auto-off timer then tap Complete. Then your outdoor light will be
turned o after the time you set if no motion is detected.
5. Name your action for easy identication.
Then the Smart Action is created successfully.

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1. Tap Control With a Switch. 2. Add a Kasa smart switch. Then select
your plug-in dimmer.
2. Congure Control With a Switch If you already have a Kasa Smart Switch
e.g.: I want to turn the outdoor light on when I turn on my switch, and turn the light o when I turn o the switch.

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3. Name your action for easy identication. 4. Now Your Smart Action is created successfully.

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1. Tap Schedule a Scene then select a scene you have created.
For example: I want to turn on my Out-Air scene, which turns on my outdoor light and
turns o the air conditioner with just a tap, at 10: 30 PM every weekday.
2. Set the time and frequency at which you
want your scene to be turned on .
3. Congure Schedule a Scene
e.g.: I want to turn on the scene I have created automatically at scheduled time.

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3. Name your action for easy identication. 4. The Smart Action is created successfully.

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1. Tap Auto-O Timer then select your plug-in dimmer. 2. Set the time.
4. Congure Auto-O Timer
e.g.: I want to turn o my outdoor light after 3 minutes when it is turned on.

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3. Name your action for easy identication. 4. The Smart Action is created successfully.

43
Set Up Voice Assistants
Use the Kasa Smart app to pair your Smart 3-Way Dimmer Kit with Amazon Alexa or Google Home Assistant, and enjoy a full hands-free experience.
Kasa helps manage the rest of your smart home too, working with Samsung SmartThings to trigger changes when you arrive home or leave for the day.
Launch the Kasa Smart app. Go to the sidebar and tap Works with Kasa. You can choose Amazon Alexa / Google Assistant / IFTTT / Samsung
SmartThings for detailed instructions.

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1. Tap Amazon Alexa. 2. Tap Connect. 3. Sign in with your amazon account.
1. Set up Amazon Alexa

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3. After sign-in, tap LINK. 4. Your TP-Link ID has been successfully linked with your amazon account. You can use Alexa voice
commands to control your 3-way dimmer switch.

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1. Tap Google Assistant.
2. Follow instructions to conenct your device to your Google Home.
Or nd the FAQ at https://www.tp-link.com/en/support/faq/1534/.
2. Set up Google Assistant

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Authentication
FCC Compliance Information Statement
Product Name: Kasa Smart Wi-Fi Outdoor Plug-in Dimmer
Model Number: KP405
Responsible party:
TP-Link USA Corporation
Address: 10 Mauchly, Irvine, CA 92618
Website: http://www.tp-link.com/us/
Tel: +1 626 333 0234
Fax: +1 909 527 6804
E-mail: [email protected]om
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate
radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio
or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/ TV technician for help.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
1. This device may not cause harmful interference.

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2. This device must accept any interference received, including interference that may cause undesired operation.
Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the
equipment.
Note: The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such modifications
could void the user’s authority to operate the equipment.
FCC RF Radiation Exposure Statement
This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This device and its antenna must not be
co-located or operating in conjunction with any other antenna or transmitter.
“To comply with FCC RF exposure compliance requirements, this grant is applicable to only Mobile Configurations. The antennas used for this
transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction
with any other antenna or transmitter.”
We, TP-Link USA Corporation, has determined that the equipment shown as above has been shown to comply with the applicable technical standards,
FCC part 15. There is no unauthorized change is made in the equipment and the equipment is properly maintained and operated.
Issue Date: 2021-09-10

49
Canadian Compliance Statement
This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-
exempt RSS(s). Operation is subject to the following two conditions:
(1) This device may not cause interference.
(2) This device must accept any interference, including interference that may cause undesired operation of the device.
L’émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d’Innovation, Sciences et Développement
économique Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes :
1) L’appareil ne doit pas produire de brouillage;
2) L’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement.
Radiation Exposure Statement:
This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated
with minimum distance 20cm between the radiator & your body.
Déclaration d’exposition aux radiations:
Cet équipement est conforme aux limites d’exposition aux rayonnements IC établies pour un environnement non contrôlé. Cet équipement doit être
installé et utilisé avec un minimum de 20 cm de distance entre la source de rayonnement et votre corps.
Industry Canada Statement
CAN ICES-3 (B)/NMB-3(B)
NCC Notice
注意!
取得審驗證明之低功率射頻器材,非經核准,公司、商號或使用者均不得擅自變更頻率、加大功率或變更原設計之特性及功能。
低功率射頻器材之使用不得影響飛航安全及干擾合法通信;經發現有干擾現象時,應立即停用,並改善至無干擾時方得繼續用。
前述合法通信,指依電信管理法規定作業之無線電通信。低功率射頻器材須忍受合法通信或工業、科學及醫療用電波輻射性電機
設備之干擾。

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BSMI Notice
安全諮詢及注意事項
• 請使用原裝電源供應器或只能按照本產品注明的電源類型使用本產品。
• 清潔本產品之前請先拔掉電源線。請勿使用液體、噴霧清潔劑或濕布進行清潔。
• 注意防潮,請勿將水或其他液體潑灑到本產品上。
• 插槽與開口供通風使用,以確保本產品的操作可靠並防止過熱,請勿堵塞或覆蓋開口。
• 請勿將本產品置放於靠近熱源的地方。除非有正常的通風,否則不可放在密閉位置中。
• 不要私自拆開機殼或自行維修,如產品有故障請與原廠或代理商聯繫。
限用物質含有情況標示聲明書
設備名稱:
Equipment name
Kasa Smart Wi-Fi Outdoor Plug-in Dimmer
型號(型式):
Type designation (Type)
KP405
單元
Unit
限用物質及其化學符號
Restricted substances and its chemical symbols
鉛
Lead
(Pb)
汞
Mercury
(Hg)
鎘
Cadmium
(Cd)
六價鉻
Hexavalent
chromium
(Cr+6)
多溴聯苯
Polybrominated
biphenyls
(PBB)
多溴二苯醚
Polybrominated
diphenyl ethers
(PBDE)
PCB ○ ○ ○ ○ ○ ○
外殼 ○ ○ ○ ○ ○ ○
電源供應板 — ○ ○ ○ ○ ○
其他及其配件 − ○ ○ ○ ○ ○

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備考 1.〝超出 0.1 wt %〞及〝超出 0.01 wt %〞係指限用物質之百分比含量超出百分比含量基準值
Note 1:“Exceeding 0.1 wt %” and “exceeding 0.01 wt %” indicate that the percentage content of the restricted substance exceeds
the reference percentage value of presence condition.
備考 2.〝○〞係指該項限用物質之百分比含量未超出百分比含量基準值。
Note 2:“○” indicates that the percentage content of the restricted substance does not exceed the percentage of reference value of
presence.
備考 3.〝−〞係指該項限用物質為排除項目。
Note 3:The “−” indicates that the restricted substance corresponds to the exemption.
Safety Information
• Do not attempt to disassemble, repair, or modify the device.
• Do not use the device where wireless devices are not allowed.
• Operating Temperature: -20℃~50℃ (-4℉~122℉)
• Operating Humidity: 10%~90%RH, Non-condensing
• For outdoor usage, use this product with ground fault circuit interrupter (GFCI) outlet.
• Risk of electric shock. Do not open. No user serviceable parts inside.
• Refer servicing to qualified service personnel.
• Keep the device away from fire or hot environments. DO NOT immerse in water or any other liquid.
• For passthrough devices, plug the power strips into the integrated electrical sockets of the devices, but devices of the same or another type not
be stacked in normal use.
Please read and follow the above safety information when operating the device. We cannot guarantee that no accidents or damage will occur due

52
to improper use of the device. Please use this product with care and operate at your own risk.
WARNING
• Timer could turn-on unexpectedly without the user being present. To Reduce the Hazardous Condition – Unplug the appliance that is plugged into
the receptacle(s) controlled by the timer before servicing.
• Risk of Electric Shock. Do not plug into another relocatable power tap or an extension cord.
• When plugged into grounded 3-prong outlet , always ensure that the housing is facing downward and is at least 2 feet off the ground . Use the plug’s
mounting tag to hang from a screw to ensure correct orientation.
• DO NOT expose to heavy rain or immerse in water or any other liquid.
• DO NOT remove ground pin ( middle pin ) or use with 3-to 2-prong adapter.
• DO NOT use with devices that should not be operated unattended , such as power tools.
• DO NOT use in precision timing applications where inaccurate timing could be dangerous(sunlamps , Saunas , etc).
• Keep children away from smart plug and outlet.
• No Serviceable parts inside. DO NOT open or tamper with unit.
• Do not discard the stopper, the plug should be covered when the socket is not in use.
• Remove smart plug from outlet before cleaning.
• DO NOT clean with liquid.
• DO NOT exceed the recommended electrical ratings.
• Refer servicing to qualified service personnel.
Explanation of the symbols on the product label
Symbol Explanation
AC voltage
RECYCLING
This product bears the selective sorting symbol for Waste electrical and electronic equipment (WEEE). This means that this product must be handled pursuant to
European directive 2012/19/EU in order to be recycled or dismantled to minimize its impact on the environment.
User has the choice to give his product to a competent recycling organization or to the retailer when he buys a new electrical or electronic equipment.
