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")