Specification: Supply Voltage: 11.5V—15V Supply Current: <200Ma Standby Current: <30Ma ( TONWON Pro =<3Ma ) Operating Temperature: -40℃--85℃ Operating Humidity: 5%--95%RH Non-Dewfall Package Includes: 1pc x Vgate iCar Pro Bluetooth 3.0 OBDII adapter 1pc x User manual How to setup Bluetooth pairing: BT3.0 model version ● CLEAR CHECK ENGINE LIGHT - This iCar Pro code reader will help you save money and accurately diagnose check engine light problem. Very easy to use. ● EASY FITMENT - The majority of cars made in the past 2 decades are fitted with an OBD2 diagnostic port, simply find the port and plug the iCar Pro in. ● FIT AND FORGET - It really is possible to fit and forget beacuse it's micro size and unique power aving functionality that protects your battery ● WORKS WITH HUNDREDS OF APPS - The Vgate iCar Pro Bluetooth Low Energy device works with the most popular OBD apps. Please find download instruction for Android device in product description. Functions: ● Read both non-specific and manufacturer-specific trouble codes. Fast ARM processor allowing up to 30 PID's per second. ● Read and delete fault codes, turn off MIL (check engine light). View freeze frame data & I/M readiness monitors. Save money! ● Read real-time ECU sensor data (Engine RPM. Fuel System status, Fuel Pressure. Oxygen sensor voltages and many readable parameters on your vehicle). Prepare for emission testing.