Veepeak Mini WiFi OBD2 OBDII Scanner Adapter Diagnostic Interface with Power Switch for Check Engine Light, Trouble Code Reader for iOS iPhone iPad and Android Works with OBD2 compliant vehicles (1996 and newer cars & light trucks sold in the USA) and supports the five OBD-II protocols: CAN, KWP2000, ISO9141-2, J1850 VPW and J1850 PWM. (May not support Hybrid or electric vehicles) FIX SIMPLE PROBLEMS YOURSELF - Find out why your check engine light is on! Read and clear engine diagnostic trouble codes (both generic and manufacturer specific DTCs), turn off the MIL (Check Engine Light) and display current sensor data with your phone or tablet. VARIOUS APPS AVAILABLE - Supports iPhone iPad as well as Android/Windows smartphones or tablets from Samsung, HTC, Motorola, Sony, LG, etc. Popular supported Apps include DashCommand, OBD Car Doctor, OBD Fusion and OBD Fusion available in App Store for iOS and Torque for Android. (Some apps or functions may require purchase) Comes with on/off switch and three LED indicators: turn it off when not in use to save vehicle battery power. LED indicators give you direct working status of the scanner. 30-day money back guarantee, 12-month hassle-free replacement warranty and easy to reach, friendly customer support.