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 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%

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 and Echo Cancellation
Light Supplement
Light Supplement Mode:		Photosensitive IR Supplement, IR Range: 2 Meters
Device Interfaces
I/O Output:		1 Relay Output
Four-wire Interface:		1 Four-Wire Interface (1-ch Video Input, 1-ch Audio Input/Output, 1-ch Power Supply, 1-ch Grounding)
General
Material:		Aluminum Alloy
Power Consumption:		Max. 3W
Working Temperature:		-30° C to +60° C (-22° F to 140° F)
Working Humidity:		10% to 90%

Dimensions(DS-KH2220-IM)	195.8 mm × 132.8 mm × 18.39 mm (7.7″ × 5.2″ ×0.7″)
Dimensions(DS-KB2411-IM)	128 mm × 42 mm × 24.8 mm (5.0″ × 1.7″ × 0.9″)

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Hikvision Kit including DS-KB2411-IM and DS-KH2220