Specification:Color:BlackEnvironment temperature: - 40C-+180CBarometric pressure:86-106 KPaRelative humidity 10%-95%Environment noise: =60dB(A)Alarm of sound level:=30dB(A)Working Voltage: 9V~16V DC (12Vdc/400mA)Size:about 104*80*61mm[Conversion: 1mm=0.03937 inch, 1inch=25.4 mm]Features:1. High-definition LCD color screen, 6 Display interfaces, adjustable font color, not affected by strong lines2. The display function is rich: speed, speed, water temperature and voltage, fuel consumption, total mileage, travel time calculation, turb ine pressure, oil temperature, 100 km acceleration time, brake performance test, etc. It has OBD computer diagnostic function and can clear engine fault code without professional equipment elimination.3. Auto-switch, alarm function of overspeed, high water temperature and low voltage, early warning and early warning of car breakdown.Applicable models:The scope of application of OBD2: OBD2 gasoline vehicles produced after 2004 in the United States and OBD2 gasoline vehicles produced after 2008 in other regionsNot applicable to OBD2 HUD:OBD2 Unusable American Series: Do dge, JE EP, Sa io, Chr ysler, models manufactured in 2004 and before 2004OBD2 all legal systems, Italian models can not be used: such as fi at, Mas erati, Lam borghini, DS, logo, Citr oen, Ren ault, Sim ka, Am irka and so on.OBD2 Japanese models can not be used: Su zuki, Maz da 6, Infiniti (QX50 Q50 q501), to yo ta Avan za in 2013, Le xus (is250, ex250, ES300H) Hon da (jazz, CRV) and