Features: Multi-function: Including engine fault diagnosis removal, fault anlysis/query,battery voltage detection, oxygen sensor test, EVAP test, real-tiime data streaming and support 8 languages. One-key quick check of fault code or battery voltage, which help you eliminate hidden dangers. Plug and play: Plug the car universal 16PIN interface in for diagnostic testing, convenienet and fast. Clear LCD display: 128 * 64px pixel makes you able to read the data clearly. Applicable for all car models that comply with OBDⅡ. Doesn\'t need any batteries or charger, gets the power directly from the OBDII data link connector in your vehicle.