Usage Tips:WORK WITH MANY OBD2 APPS - Vgate iCar Pro Bluetooth Low Energy device works with most popular OBD apps such as Torque, Car Scanner, OBD Fusion, OBD Jscan, BimmerCode, etc which can turn your iPhone or Android phone\/tablet into a sophisticated car scan tool. 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 Bluetooth4.0 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 wake up. SMALL COMPACT DESIGN - Easy to plug in and unplug in your car OBDII port. The majority of cars made in the past 2 decades are fitted with an OBD2 diagnostic port, simply find the port and plug the Vgate iCar Pro Bluetooth in. SUPPORT UPGRADE - Support for upgrading product firmware on phones and Windows PC. Please contact Vgatemall team.