Specifications Color： Like the picture show. Display: 2.8\" Color screen, 320 X 240 pixel display. Operation Temperature: -20℃--75℃ Stroge Temperature: -40℃--120℃ Power: 8V -- 24V Compatability: OBD2 Software Version :V4.5 Dimensions: L X W X H: about 133mm X 85mm X 28mm Package size: L X W X H: about 23cm X 14cm 5.7cm Net Weight: about 300g Functions: Read trouble codes. Clear trouble codes. Living Data. Clear adaptation. Datastream Graph Display. Service reset.