... Auto heating function,Free Operating Voltage DC11-32 V Back Up Camera,Wireless Rearview Camera, Auto Rear View Camera, Wireless Backup ... : 10mW (Estimate of 100 meter wireless send distance without block) Number of Pixels : NTSC:510(H)×492(V);PAL:500(H ... : Auto Power Supply : DC 12~24V±10% Weight : 450g Back Up Camera with auto shutter camera