Signal system: PAL/NTSC Image sensor: 1/4-inch Sony CCD Horizontal resolution: 420TVL Lens: 3.5-8 mm IR lens Minimum illumination: 0.1LUX/F1.2 (IR off), 0LUX (IR on) Distance: 30m View angle: 45¡£ S/N ratio: more than 52dB LED wave length: 36 unit 850nM infrared LED Average life: 20,000 hours, warranty life: 6,000 hours Video output: composite video output (1Vp-p 75¦¸ terminated) Focus mode: manual focus Operation temperature: -20¡£ C to +50¡£ C Supplied power: DC 12V Automatically switch to B/W mode under low light when illumination
under 3-5Lux Max.25-40m working distance with IR LED on vandal-resistant dome
camera is extensively used in prison, courthouse, public places