Vktech&reg; Dash Cam Hard Wire Kit for Car Vehicle DVR Camera Vedio Recorder 5V 1500mA (Micro Port) Micro USB adapter direct vehick hardwire kit Enable continuous surveillance when the vehicle is parked Provide permanent power for your camera to make full use of its parking mode Protect your vehicle's battery from being drained by the dash camera Compatible with E-PRANCE B47, B48 and EP503 dash cam, Automatically turn the camera power off when the car power supply voltage drops to 11.6V