Feature Special design for sever winter market. * Fog & frost-proof, images will not be interfere by weather. *Lens of 2.8MM、3.6MM & 6MM are available. *Vandal resistant bubble (poly-carbonate) and aluminum steel construction. Image Sensor 1/3 inch SONY CCD Horizontal Resolution 420TVL/520TVL Minimum Illuimination 0.8Lux/0.1Lux Lens 2.8/3.6/6mm Video Format PAL 朜TSC AUTO Gain Control AUTO White Balance AUTO S/N Ratio more than 48db Waterproof IP 55 Humidity 10-75%RH (Non-condensing) Operation Temperature -35℃-50℃ Power Supply DC12V/ac24V Power Consumption 30W Weight 1Kg