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DS-KB2421-IM

EOL

Water-proof Analog Four Wire Door Station

Four wire (analog) door station
Pinhole Camera with IR Supplement
Supports Two Door Stations Cascading
Metal frame with one physical button
Anti-oxidant zinc alloy, IK7, IP65

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Available models:

DS-KB2421-IM

Video parameters
Camera1/4" CMOS
Resolution720 × 576
Video Frame RatePAL: 25 fps

Audio parameters
Audio InputBuilt-in Omnidirectional Microphone
Audio OutputBuilt-in Loudspeaker
Audio QualityNoise Suppression and Echo Cancellation

Device interfaces
Four-wire Interface1 Four-Wire Interface (1-ch Video Input, 1-ch Audio,Input/Output, 1-ch Power Supply, 1-ch Grounding);1-ch Video Input, 1-ch Audio Input/Output, 1-ch Power Supply, 1-ch Grounding
I/O Output1 Relay Output

General
Power Supply12 VDC
Power ConsumptionMax. 5W;≤5 W
Working Temperature’-10° C to + 55° C (14° F to 131° F);‘-30°C to 70°C (-22°F to 158°F)
Working Humidity10% to 90%
Dimensions (L x W x H)195.8 mm × 132.8 mm × 18.39 mm (7.7" × 5.2" ×0.7");145 mm × 49.2 mm × 26.45 mm (5.7" × 1.9" × 1.0")
MaterialZinc Alloy

Specification

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

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);1-ch Video Input, 1-ch Audio Input/Output, 1-ch Power Supply, 1-ch Grounding

I/O Output

1 Relay Output

General

Power Supply

12 VDC

Power Consumption

Max. 5W;≤5 W

Working Temperature

’-10° C to + 55° C (14° F to 131° F);‘-30°C to 70°C (-22°F to 158°F)

Working Humidity

10% to 90%

Dimensions (L x W x H)

195.8 mm × 132.8 mm × 18.39 mm (7.7" × 5.2" ×0.7");145 mm × 49.2 mm × 26.45 mm (5.7" × 1.9" × 1.0")

Material

Zinc Alloy

Video parameters

Camera1/4" CMOS
Resolution720 × 576
Video Frame RatePAL: 25 fps

Audio parameters

Audio InputBuilt-in Omnidirectional Microphone
Audio OutputBuilt-in Loudspeaker
Audio QualityNoise Suppression and Echo Cancellation

Device interfaces

Four-wire Interface1 Four-Wire Interface (1-ch Video Input, 1-ch Audio,Input/Output, 1-ch Power Supply, 1-ch Grounding);1-ch Video Input, 1-ch Audio Input/Output, 1-ch Power Supply, 1-ch Grounding
I/O Output1 Relay Output

General

Power Supply12 VDC
Power ConsumptionMax. 5W;≤5 W
Working Temperature’-10° C to + 55° C (14° F to 131° F);‘-30°C to 70°C (-22°F to 158°F)
Working Humidity10% to 90%
Dimensions (L x W x H)195.8 mm × 132.8 mm × 18.39 mm (7.7" × 5.2" ×0.7");145 mm × 49.2 mm × 26.45 mm (5.7" × 1.9" × 1.0")
MaterialZinc Alloy