Matter Smart 4-Button
Scene Switch
MK6
[Works with Major Matter Ecosystems] MK6 is a Matter-
certified smart scene switch that works seamlessly with Apple
Home, Amazon Alexa, Google Home, SmartThings, and other
Matter platforms. Manage devices from different brands in one
app.
01
Specications
MK6
Matter over WiFi
100-240V~, 50/60Hz
Supports up to Four Momentary
Switches
Short Press / Double Press / Long Press
20±5g
L49×W64×H25(mm)
L45×W39.4×H18(mm)
-10℃~40℃
Weight
Model
Operating Voltage
Compatible Input
Devices
Wireless Protocol
Control Commands
Package Size
Dimensions
Operating Temp.
Product Introduction
[Ultra-Compact Design] Compact and versatile, MK6 fits easily
into EU and US standard wall boxes. Ideal for both new
installations and existing switch upgrades.
[Turn Conventional Switches into Smart Scene Switches] MK6
turns momentary switches into smart scene switches. Use with
a Matter hub and other smart devices to trigger a variety of
smart scenes.
[Safety Certifications] MK6 is FCC, CE, RED, RoHS, and ErP
certified, ensuring reliable operation, electromagnetic
compatibility, electrical safety, and environmental compliance.
ErP
Dimensions
Unit: mm
56.4
18
39.4
45
Product Overview
02
Slow Flashing Red
Factory Reset in Progress
Fast Flashing Red
Ready for Factory Reset
Slow Flashing Blue
Firmware Update in
Progress
Indicator Status
Solid Blue
Fast Flashing Blue
Normal
Ready to Pair
Button and LED Indicator Status
Device Status
-
Button Action
Press and Hold
for 15s, Press 3
Times within 3s
Power
Input
Momentary Switch
Input
Function Button
LED Indicator
03
Amazon Alexa
Apple Home
Google Home
SmartThings
Disconnect the main power supply before wiring.
Installation and maintenance must be performed by
a qualified electrician. Never wire or touch the
terminals while the device is powered.
Wiring
②
①
This device supports Matter and works with major
smart home platforms. Download a compatible app
and make sure your Matter hub is powered on and
online before setup.
Matter App & Hub Setup
Follow the wiring diagram carefully. Wire size:
0.5–2.5mm² (24–14AWG). Strip length: 6–7mm.
Do not connect the S1, S2, S3, or S4 terminals to
neutral or ground. Doing so may damage the device
or create a safety hazard.
The device does not support rocker switch inputs or
direct load connections.
04
L
N
100-240Vac
XXXX-XXX-XXXX
Add to a Matter Platform
③
Open a Matter-compatible app, such as Apple Home or
Google Home. Tap "Add Device," then scan the Matter
QR code on the device and follow the on-screen
instructions.
05
Digital Manual
For in-wall installation, use a wall box at least 50mm
deep.
EU Wall Box US Wall Box
Installation
④
≥50mm
Factory Reset
Press and hold the function button for 15 seconds. Release it
when the indicator flashes red rapidly. Within 3 seconds, press
the function button 3 times. The indicator will flash red slowly
while the device resets.The reset is complete when the indicator
flashes blue rapidly.
06
Q1: Does this device support Matter?
Q2: What switches and loads can be connected?
A: It supports up to a 4-gang momentary switch.
Rocker switches and loads are not supported.
Q3: Can it be used with multiple Matter platforms?
A: Yes. It can be used with multiple platforms as long as they
support Matter.
07
FAQ
This product is designed to comply with the Matter standard. As
Matter is still evolving, some features, performance, and network
stability may be limited by the current version.
Product performance is subject to the current Matter version.
We will continue to update and optimize the product as Matter
evolves.
Q4: What should I do if 5GHz WiFi is not supported during
pairing?
A: This device supports 2.4GHz WiFi only, not 5GHz. If your
router uses a combined 2.4GHz/5GHz network, disable this
feature in the router settings, connect your phone to the
2.4GHz WiFi network, and try pairing again.
A: Yes. It works with major smart home platforms including
Apple Home, Google Home, Amazon Alexa, and SmartThings.
08
FCC Statement
1. 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.
(2)This device must accept any interference received, including
interference that may cause undesired operation.
The device has been evaluated to meet general RF exposure
requirement. This equipment should be installed and operated
with a minimum distance of 20 cm between the radiator
and your body.
2. Changes or modifications not expressly approved by the
party responsible for compliance could void the user’s authority
to operate the equipment.
energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communi-
cations. 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:
• Reorient or relocate the receiving antenna.
• 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.
Note: 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
Attention
Product installation and commissioning should be done by a
qualified professional.
09
LTECH products are and not lightningproof non-waterproof
(special models excepted). Please avoid the sun and rain.
When installed outdoors, please ensure they are mounted in
a water proof enclosure or in an area equipped with lightning
protection devices .
Good heat dissipation will prolong the working life of products.
Please ensure good ventilation.
Please check if the working voltage used complies with the
parameter requirements of products.
Use wires that meet electrical safety requirements and ensure
all connections are secure. This module does not support direct
connection to LED loads.
Before you power on products, please make sure all the wiring
is correct in case of incorrect connection that causes damage
to light fixtures.
If a fault occurs, please do not attempt to fix products by your-
self. If you have any question, please contact us or an
authorized dealer.
Updated: 08/17/2026_A0
10
Warranty Agreement
Warranty periods from the date of manufacture: 2 years
Warranty exclusions below:
Following conditions are not within the guarantee range of free
repairing or replacement services:
Beyond warranty periods.
Any artificial damage caused by high voltage, overload, or
improper operations.
Products with severe physical damage.
Damage caused by natural disasters and force majeure.
Warranty labels and barcodes have been damaged.
No any contract or invoice signed by LTECH .
1. Repair or replacement provided is the only remedy for cus-
tomers. LTECH is not liable for any incidental or consequential
damage unless it is within the law.
2. LTECH has the right to amend or adjust the terms of this
warranty. The warranty that issues in writting shall prevail.
* Specifications and contents are subject to change without notice. If the
actual product differs from this manual, the actual product shall prevail.
For questions, please contact us or an authorized dealer.
Free repair or replacement services for quality problems are
provided within warranty periods. Warranty exclusions below:
Email: lt@ltech-led.
Manufacturer: Zhuhai LTECH Technology Co., Ltd.
Address: 1st Building,No. 183, Shui'an 1st Road, Xiangzhou District, 519060
Zhuhai City, PEOPLE'S REPUBLIC OF CHINA
Website: www.ltech-led.com
com
Made in China
