Dash Cam Hardwire Kit (Universal): Designed to safely hard wire and power dash cams or devices with Micro or Mini USB. This simple plug and play solution supplies power to any dash cam or device. It's compatible with 12V/24V DC for car or truck installations. This means the GUNIHWC provides constant power supply to your dash cam when the engine isn't running. It also provides a Battery Drain Protection mechanism which ensures your dash cam won't drain your vehicle's battery.