High Quality Material: The OBD dash cam power cable is made of selected plastic materials, durable, stable performance, high strength, and can be used for a long time. Function: This Dashcam power cable can be plugged into the OBD port of the car to protect your car and realize 24 hour driving observe. Two working modes: OBD camera power cable with Switch Button can work 24 hours a long time, with its own switch button, the switch is used for the ACC power supply and car power supply, two modes can be selected, ACC mode supplies power, and the engine stops for 5 minutes will be cut off afterward. The car power mode has low voltage protection, turns off the car, and people can record video. Low Voltage Protection: The USB power charging cable can take low voltage protection measures so that your vehicle can start normally. Professional Design: ACC Hardwire Kit adopts a professional design, suitable for driving recorders and car cameras, lightweight, small and portable, and very convenient to carry when going out. Specification: ACC mode input parameters: DC12.7V-40V Constant power mode input parameters: DC11.6V-40V Output parameter: 5V2A Line length: 20CM Interface: USB female adapter Line thickness: OD3.5mm Switch function: switch mode AC Size Chart: 4.75cmx2.29cmx4.25cm/1.87inchx0.90inchx1.67inch Package Includes: 1 OBD power Cable Note: Please allow slightly errors due to manual measurement and different monitors.