Mini OBD2 Scanner Functions: 1: Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database). 2: Clear trouble codes and turn off MIL (check engine light) 3: Display current sensor data including: 4: Motor RPM 5: calculated load value 6: Coolant temperature 7: fuel system status 8: Vehicle speed 9: short term fuel trim 10: Long Term Fuel Trim 11: intake manifold pressure 12: Timing 13: intake air temperature 14: airflow 15: Absolute throttle position 16: Oxygen Sensor Voltages/Associated Short Term Fuel Trims 17: fuel system status 18: Fuel pressure 19: many more Mini OBD2 Scanner Specifications: Communication: Wireless 2.0 Main chip: ST Support system: Android and Windows Operating voltage: 9v~16v Working current: 35mA Standby current: 25mA Operating temperature: -40 - 85 Working humidity: less than 60% Size: 45mm*25mm*65mm Compatible systems: Software support platform: Windows XP, Windows 7/8, Android, Symbian. Compatible Software: Window: scanmaster-elm, scantool.com, PCMSCAN ELM, etc. Android: Torque, dashorder, OBD Car Doctor, Auto Doctor, Mini OBD, EOBD, etc.