Diagnosis of car engine system malfunctions Clear engine check light Provide car data stream Support regular OBD functions Self-developed APP control, you can view diagnostic information on your mobile phone High chip integration, very small size, easy to carry Specification: Connection method: Bluetooth 2.0 Main control chip: 25K80 Support system: Android / Windows Working voltage: 9V~16V Working current: 35mA Working temperature: -40~85 Product size: 43*25*30mm Protocol: SAE J1850 PWM (41.6Kbaud) SAE J1850 VPW (10.4Kbaud) ISO9141-2(5 baud init, 10.4Kbaud) ISO14230-4 KWP (5 baud init, 10.4 Kbaud) ISO14230-4 KWP (fast init, 10.4 Kbaud) ISO15765-4 CAN (11bit ID, 500 Kbaud) ISO15765-4 CAN (29bit ID, 500 Kbaud) ISO15765-4 CAN (11bit ID, 250 Kbaud) ISO15765-4 CAN (29bit ID, 250 Kbaud) Package included: 1 x Diagnostic Tool 1 x Driver CD Other things not included