Gear HD System Detect Diagnosis: Ability to quickly access the vehicle system. Diagnosis functions include: Read DTCS, Clear DTCS, read data stream (Supports 3 display modes, Value, Graphs). HD OBD Diagnosis: 10 Modes of OBD11 tests are supported, including EVAP, O2 sensor, I/M Readiness, MIL Status, VIN info, and on-board motors testing, etc.. Gear HD also features a platform for promotion, advertising pushing. . Operating System: Android 7.0, 1 GB Memory 8G Storage, 4000 MAH Rechargeable Li-battery, 5” 720 P IPS touch screen 301050388