Specifications: System:OBD2 Material:PC+ABS Product Color:Black Usage Temperature:-40 to 180 Usage Atmospheric Pressure:86-106KPa Usage Humidity:10%-95% Usage Noise:= 30dB(A) Working Voltage: 11V-18Vdc (12Vdc/200mA) Cetification:FCC CE ROHS Application Scope: OBD2 gasoline vehicle manufactured after 2004 in USA, OBD2 gasoline vehicle manufactured after 2008 in other areas Package Size:12*11.5*10.5cm/4.7*4.5*4.1in Package Weight:270g/9.5oz Features: More display information,display can read engine rich data stream. High-definition LCD color screen, six display interfaces, adjustable font color, not affected by strong lines. OBD computer diagnostic function, can clear engine fault code, no need to eliminate professional equipment. Automatic switch alarm:early warning for over-speed, high water temperature,low voltage,engine failure, car breakdown. Multiple text selection,simplified Chinese,traditional Chinese,English.