ELLASSAY 3033-3 Pest Repeller, 1 Lbs, Blue-2 EXCLUSIVE OBDII DIAGNOSTICSThis OBD II Scanner enabling users to verify repairs, road test, check State, emission monitor status and solve engine systems HIGH-END TECHNOLOGYThe OBD2 Scanners can support 11 MODE OBDII diagnostic function, FOR MOST CARS Automotive Fault Code Reader works on IOS 9141, KWP2000, SAEJ1850, CAN, J1850 VPW, J1850PWM, TURN CHECK ENGINE LIGHT OFFEasily determines the cause of the check engine light. CONVENIENCE TO USECar Code Reader does not require any battery or charger.