ITEM NAME:Car Charger Converter Micro USB 3A For Cam Recorder DVR Exclusive Power Box Description: Standard Micro USB adapter direct vehich hardwire kit,This line is connected to the car battery or fuse box and can provide 24 hours of uninterrupted power supply Used to hardwire dash cam to vehicle power Enable continuous surveillance when the vehicle is parked Provide permanent power for your camera to make full use of its parking mode Low-voltage protection design: When the voltage of 12V/24V battery is lower than 11.6V/23.2V, it will automatically cut off the power output Specification: Voltage input: DC 8V-40V Voltage output: DC 5V Current output: 3A (max) Cable length: 3.5m Shell Material: Plastic Color: Black Package Includes: 1 Piece Power Box.Current output: 3A (max). Used to hardwire dash cam to vehicle power. 1 Piece Power Box. Shell Material: Plastic.