Specifications:1) Power source: DC 12V2) Operating temperature: -10 ~ 50oC3) Power consumption: 0.5W4) Chime: ding dong chime5) Communication: dual-way6) Installation: wall mounted7) Dimensions: 205(L

Features:1) Visitor calling, dual communication, unlocking2) Monitoring, internal calling3) Infrared LEDs on door station4) Power: DC 12V (Power from Monitor)5) Two-wire6) Rain coverSpecifications:1)

Features:1) Visitor calling, dual communication, unlocking2) Monitoring, internal calling3) Infrared LEDs on door station4) Power: DC 12V (Power from Monitor)5) Alloy die-casting6) Two-wireSpecificati

Specifications:1) Power source: DC 12V (Power from Monitor)2) Camera: 1/4" B/W CMOS (pin hole)3) Lens: f = 4.9mm4) Illumination: 0.1 Lux5) Light source: 6 IR LED6) Power consumption: 2.5W7) Opera

Specifications:1) CRT: 4" flat tube2) Power Source: AC 100V - 240V3) Power consumption: 10W4) Resolution: 380 TV line5) Chime: ding dong chime6) Operating temperature: -10 - +50°C7) Installat

Product Name: B/W Video Door PhoneModel Number: SD-880R32SPlace of Origin: ChinaSpecifications:1) CRT: 4" flat tube2) Power source: AC 100 ~ 240V3) Power consumption: 10W4) Resolution: 380 TV lin

Specifications:1) Power source: DC 12V (Power from Monitor)2) Camera: 1/4" B/W CMOS (Pin Hole)3) Lens: f = 4.9mm4) Illumination: 0.1 lux5) Light source: 5 infrared LEDs6) Power consumption: 2.5 W

Specifications:1) CRT: 4" flat tube2) Power source: AC 100V-240 V3) Power consumption: 10 W4) Resolution: 380 TV lines5) Chime: ding dong chime6) Operating temperature: -10 ~ +50oC7) Installation

Specifications:1) CRT: 4" flat tube2) Power source: AC 100 - 240V3) Power consumption: 15W4) Resolution: 380 TV line5) Chime: ding dong chime6) Operating temperature: -10 - 50oC7) Installation: w