Material Made of selected PP materials; durable, stable performance, strength, designed for longterm use. Function This OBD cam power cable plugs into the vehicle OBD port to protect your car and enable 24hour driving observation. Two working modes (with Switch Button) ACC power mode: Provides power via the ACC circuit; when the engine is off for 5 minutes, power is cut afterward. Car power mode: Provides direct car power with low voltage protection. Low Voltage Protection The USB power charging cable includes low voltage protection measures so your vehicle can start normally. Use scenarios Continuous dashcam monitoring while driving: Install in a vehicle to ensure 24hour video recording with the ACC mode or car power mode as needed. Parking surveillance with engine off: Use ACC mode to maintain recording while the engine is not running, with automatic power control after 5 minutes. Batteryconscious operation in vehicles with sensitive electrical systems: Enable car power mode with low voltage protection to protect the vehicle battery while still capturing footage when needed.