NOTE: We Vgatemall DO NOT au-thorize the sel-ler "Happy Lucky Land" to sell our Vgate products, and we are not res-ponsible for the af-ter-sale ser-vice of the products purchased from this sel-ler. CAR COMPATIBILITY - 12V petrol vehicles made in the U.S. compatible with standard OBD2 protocols after 1996, 12V Light diesel vehicles with a load of 6.5T or less supporting the OBD2 protocols after 1996. Do not use on a 24V power diesel cars. SIMPLE OPERATION - Compatible with iOS (no Bluetooth pairing needed; connect in the app) & Android devices. No complex settings or tricky connections plus much lower power consumption compared to WiFi OBD2 code reader, and it does not block internet access for other apps. LOW POWER CONSUMPTION - Vgate iCar Pro Bluetooth 4.0 adapter supports auto sleep & auto wake and consumes as low as 3MA when sleeping, which helps save car battery power. Note: auto wake for electric and hybrid vehicles is not supported. Requires reinsertion to