[24-hour parking/ACC mode switch] "MODE -": Enables 24-hour parking surveillance. Automatically cuts power if voltage drops below 11.6V. "MODE O": Activates ACC mode, powering the device only when the engine is running. [Universal OBD Hardwire Kit] Compatible with most dash cams, GPS, and radar devices (not suitable for electric vehicles). [Easy installation] Plug-and-play design connects directly to your car's OBD port without circuit damage. Uses USB power without interfering with data communication. [Low Voltage Protection] Built-in smart chip monitors battery voltage and cuts power if it falls below 11.6V to protect your vehicle's battery. [Clean setup] Helps hide wires for a tidy interior and keeps the lighter port free for other devices. Material: Plastic Color: Black Package includes: 1 x OBD power cable Note: Slight color variations may occur due to lighting or display differences. Size tolerance: +/- 1-3cm.