Hikvision Analog video doorphone set DS-KIS202

Indoor Station DS-KH2220 Features

Door Station DS-KB2411-IM Features

Audio Parameters
Display Screen:	\|	7-Inch Colorful TFT LCD
Display Resolution:	\|	800 × 480
Operation Method:	\|	Physical Button
Audio Input:	\|	Built-in Omnidirectional Microphone
Audio Output:	\|	Built-in Loudspeaker
Audio Compression Rate:	\|	64 Kbps
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 in 1 Four-Wire Interface)
General
Power Supply:	\|	12 VDC
Power Consumption:	\|	≤5 W
Working Temperature:	\|	-10° C to + 55° C (14° F to 131° F)
Working Humidity:	\|	10% to 90%
Dimensions(L × W × H):	\|	195.8 mm × 132.8 mm × 18.39 mm (7.7″ × 5.2″ ×0.7″)