Video Door Phone
·
User Manual
12
Appendix
Installation Notice
While installing the indoor station, make sure that the distance between any two
devices is far enough to avoid the howling and echo. The distance between two devices
is recommended to be longer than 10 meters.
Here devices refer to indoor stations, and door stations.
Specification
Specification of DS-KH2220
Model
Parameters
DS-KH2220
Display parameters
Display screen
7-Inch Colorful TFT LCD
Resolution
800 × 480
Operation method
Physical Button
Audio parameters
Audio input
Build-in Omnidirectional Microphone
Audio output
Build-in Loudspeaker
Audio quality
Noise Suppression and Echo Cancellation
Device interfaces
Four-wire interface
4 Four-Wire Interfaces
1-ch Video Input, 1-ch Audio Input/Output, 1-ch Power
Supply, 1-ch Grounding
General
Power supply
12 VDC
Power consumption
Max. 5W
Working temperature
-10° C to +55° C (14° F to 131° F)
Working humidity
10% to 90%
Dimension (L x W x H)
195.8 mm × 132.8 mm × 18.39 mm (7.7" × 5.2" ×0.7")
