Features: CAN Tester Box is a CAN Bus circuit tester compatible-with 12 and 24 volt-systems. Testing DLC-(OBD port) if any error before connecting connecting other diagnostic equipment to-DLC, such as pin short circuit and polarity-reverse connection. Real-time display of communication signals ( such as communication protocol signals ) on the allocated-pins which can quickly locate faults and replace the voltage-measurement function of digital multi-meter. Fastly-connect 16-pins during vehicle maintenance diagnosis. Monitoring input voltage-of OBD when burning-module, high and low voltage-alarm. Specifications: Material:Plastic Line Length:Approx.70cm/27.55inch Input-voltage: 9.0-32.0VDC Maximum load: 2.0A Resolution: 0.1V Working temperature: 0℃-50℃ and humidity < 70%. Socket: 16Px2.0mm Color:Black Package Includes: 1 Set Breakout Tester note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.