Plug in auto engine code scanner reading tool. Overview:Works on most 1996 and newer vehicles, read freeze frame data which shows engine condition. Features:1. Read the error diagnosis code-general and manufacturer-specific, and display their meaning (the database has more than 3000 common code definitions)2. Clear the error code and turn off the MIL ("Check Engine" indicator)3. Display current sensor data, including:Engine speed per minute (RPM)Calculated load valueCoolant temperatureFuel system statusSpeedThrottle absolute positionWith short-term fuel statusAssociated oxygen detection voltageFuel system statusFuel pressureFuel consumption monitoringData graph display and loggingFreeze frame dataContinuous and discontinuous oxygen detection results1.4. Support 5 languages Communication protocol:SAE J1850 PWM(41.6 Kbaud)SAE J1850 VPM(10.4 Kbaud)ISO 9141-2 (5 baud init,10.4 Kbaud)ISO 14230-4 KWP (5 baud init,10.4 Kbaud)ISO 14230-4 KWP (fast init,10.4 Kbaud)ISO 14230-4 CAN (11bit ID,500 Kbaud)ISO 14230-4 CAN (29bit ID,500 Kbaud)ISO 14230-4 CAN (11bit ID,250 Kbaud)ISO 14230-4 CAN (29bit ID,250 Kbaud Specifications:Model: V309Working voltage: 9-16vWorking current: 80mAOperating environment: - 30-70 ° CStorage temperature: - 30-80 ° CPackage Size: 20 * 13 * 6cm / 7.87 * 5.12 * 2.36inPackage Weight: 200g / 0.44lb Package included:1pc x V309 Scan tool