
www.doorbird.com
1
1
2
2
3
3
4
4
5
5
6
6
A A
B B
C C
D D
Page
1
Format
A3
Drawing number
BHA_B_1008_Rev12
Designation
D21xKV Surface mounting housing
General tolerance
2768 -mK
Scale
Material:1.4404
General pinciples
of presentation
ISO 128-1
Bird Home Automation GmbH
Uhlandstr. 165
D-10719 Berlin
Germany
Confidential
4
0
1
,
0
0
m
m
1
5
.7
1
in
63,50
mm
2.50 in
1
1
,0
0
m
m
0
.
4
3
i
n
3
1
,
0
0
m
m
1
.
2
2
i
n
3
7
6
,
6
9
m
m
1
4
.7
5
in
126,69 mm
4.99 in
151,00 mm
5.94 in
4
5
,
7
5
m
m
1
.8
0
in
1
6
5
,
0
0
m
m
6
.5
0
in
18,50
0.73 in
1
1
2
2
3
3
4
4
5
5
6
6
A A
B B
C C
D D
Page
1
Format
A3
Drawing number
BHA_B_1008_Rev12
Designation
D21xKV Surface mounting housing
General tolerance
2768 -mK
Scale
Material:1.4404
General pinciples
of presentation
ISO 128-1
Bird Home Automation GmbH
Uhlandstr. 165
D-10719 Berlin
Germany
Confidential
4
0
1
,
0
0
m
m
1
5
.7
1
in
63,50
mm
2.50 in
1
1
,0
0
m
m
0
.
4
3
i
n
3
1
,
0
0
m
m
1
.
2
2
i
n
3
7
6
,
6
9
m
m
1
4
.7
5
in
126,69 mm
4.99 in
151,00 mm
5.94 in
4
5
,
7
5
m
m
1
.8
0
in
1
6
5
,
0
0
m
m
6
.5
0
in
18,50
0.73 in
1
1
2
2
3
3
4
4
5
5
6
6
A A
B B
C C
D D
Page
1
Format
A3
Drawing number
BHA_B_1008_Rev12
Designation
D21xKV Surface mounting housing
General tolerance
2768 -mK
Scale
Material:1.4404
General pinciples
of presentation
ISO 128-1
Bird Home Automation GmbH
Uhlandstr. 165
D-10719 Berlin
Germany
Confidential
4
0
1
,
0
0
m
m
1
5
.7
1
in
63,50
mm
2.50 in
1
1
,0
0
m
m
0
.
4
3
i
n
3
1
,
0
0
m
m
1
.
2
2
i
n
3
7
6
,
6
9
m
m
1
4
.7
5
in
126,69 mm
4.99 in
151,00 mm
5.94 in
4
5
,
7
5
m
m
1
.8
0
in
1
6
5
,
0
0
m
m
6
.5
0
in
18,50
0.73 in
www.doorbird.com
D21DKV surface mounting housing (backbox)
TECHNICAL DRAWINGS
Errors and omissions excepted. | Last update 11/2021 - Copyright © 2021 Bird Home Automation GmbH – www.doorbird.com
