2.4Ghz wireless WIFI Camera Transmitter video transmitter for Car Reverse Bakup CCTV Camera , Support iPhone IOS/ Android system phone WiFi transmission, no need router,no need internet. Support iPhone, iPad and Android phone Transmitter rainproof, dustproof and shockproof Minimum illumination less than 0.5 Lux, digital compensation for clear night vision Transmission distance with no obstacle more than 150 meters