1. Easily understand the overall performance of the vehicle, and test the acceleration performance, braking performance and distance performance of the vehicle. 2. Quickly read and diagnose the engine fault of the car, and clear the engine fault light on the dashboard. 3. After the mobile phone is connected, the vehicle data can be displayed in real time on the mobile phone. 4. Adopting 25K80 chip, small size and fast operation. 5. Bluetooth 5.4 version, fast connection and strong compatibility. 6. Supported protocols: 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) 7. Parameters: Voltage: 9-16V Current: 22-33mA Bluetooth version: 5.4 Supported system: iOS/Android Size: 61x46x24.2mm One Package Weight:0.06kgs / 0.13lb One Package Size:10cm * 6.5cm * 3cm / 3.94inch * 2.56inch * 1.18inch Qty per Carton:100 Carton Weight:7.00kgs / 15.43lb Carton Size:52cm * 28cm * 15cm / 20.47inch * 11.02inch * 5.91inch Loading Container:20GP: 1221 cartons * 100 pcs = 122100 pcs40HQ: 2834 cartons * 100 pcs = 283400 pcs