About this item Dash cam OBD power cable is suitable for all Type-C USB port electronic devices. Designed to provide continuous power supply 24 hours after parking for in-car devices like dash cam DVR, mirror recorder, mobile phone, tablets, etc. ACC mode switch/24-hour parking: 'MODE O': will activate the ACC mode, only supplying power when the engine starts, and power will turn off 10-200 seconds after the engine is turned off, with the exact time varying according to the vehicle's factory settings. 'MODE -': will activate the driving recorder parking mode for 24-hour monitoring. If the voltage is lower than 11.6V, the power will be cut off. Low voltage protecting OBD power adapter: Built-in intelligent programmable chip that automatically detects the battery voltage and provides low voltage protection. When the battery voltage is lower than 11.6V, it will automatically cut off the power output to ensure the normal start of the vehicle. Simple plug-in installation: Plug and play with