1. Display: Backlit LCD, 2-line, 8 characters. 2. Works with Volkswagen and Audi (Audi/Seat/Skoda/Jetta/Golf/Beetle/Touareg/GTI/ Passat and more) sold worldwide since 1990. 3. Compatible with the latest cars that require a direct CAN connection. 4. Reads and erases Diagnostic Trouble Codes (DTCs) of engine, ABS, airbags and automatic transmission. 5. Turns off MIL lights of engine, airbag, ABS and A/T. 6. Easy to use with one plug-in. 7. No batteries needed-powered via OBD II cable. 8. Power: 10.0 to 15.5 Volts provided via vehicle battery.