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 Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1 Set Breakout Tester