Four Wire Analog Video Intercom ยี่ห้อ HIKVISION รุ่น DS-KB2421T-IM

• Hands-free video intercom communication
• Supports two door stations simultaneously in the intercom system
• Self-adaptive IR supplement (with photoresistor)
• One-touch calling
• Pinhole camera with 1920 x 1080 @ 25 fps
• Unlock controlling
• Anti-oxidant aluminium alloy
• Convenient installation and easy operation

Specification

Video Parameters

• กล้อง  : 1/2.7″ CMOS
• Resolution : 1920 x 1080
• FOV : Horizontal: 66.2°，Vertical: 37.2°
• 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-ch video input, 1-ch audio input/output, 1-ch power supply, 1-ch grounding
• I/O Output : 1 relay output

General

• Protective Level : IP65
• Power Supply : 12 VDC
• Power Consumption : ≤5 W
• Working Temperature : -30°C to 70°C (-22°F to 158°F)
• Working Humidity : 10% to 90%
• Dimensions (L X W X H) : 145.5 mm × 51.5 mm × 49 mm (57.3″ × 2.02″ × 1.93″)
• Material : Zinc alloy