Hikvision DS-KIS203 Video Door Phone

Hikvision Video Door Phone Model DS-KIS203
Door Station (DS-KB2421-IM)
Video Parameters
Camera 1/4″ CMOS
Resolution 720 × 576
Video frame rate PAL: 25 fps
Audio parameters
Audio input Built-in Omnidirectional Microphone
Audio output Built-in Loudspeaker
Audio quality Noise Suppression
Light Supplement
Light supplement mode Photosensitive IR Supplement, IR Range: 2 Meters
Device interfaces
Four-wire interface
1 Four-Wire Interface (1-ch Video-Input, 1-ch Audio Input/Output, 1-ch Power
Supply, 1-ch Grounding)
I/O output 1 Relay Output
General
Material Zinc Alloy
Power consumption Max. 5W
Working temperature -30° C to +70° C (-22° F to 158° F)
Working humidity 10% to 90%
Dimension (L x W x H) 145mm × 49.2 mm × 26.45 mm (5.7″ × 1.9″ × 1.0″)
Indoor Station (DS-KH2220)
Display parameters
Display screen 7-Inch Colorful TFT LCD
Display resolution 800 × 480
Operation method Physical Button
Audio parameters
Audio input Built-in Omnidirectional Microphone
Audio output Built-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 ≤5 W
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″)