Dash Cam Hardwire Kit 12V‑28V to 5V USB Adapter Overheating Protection for Mirror Cam GPS Navigator Radar Detector MICRO Item Type: Dash Cam Hardwire KitMaterial: ABS, rubber, metal Voltage Reduction Cable Length: Approx. 3.2m/10.5ft Input Voltage: 12-28V Output Voltage and Current: 5V 2.5A Low Voltage Protection: 12V-11.6V; 24 V-23.6 V Maximum Power: 10WOperating Temperature: -20-70℃ Application: Car dashcam hardwire kit connects to car battery or fuse box power supply for 24 hours uninterrupted power supply for car recorder; built in safeguards protect your device from excessive current and overheating. Fitment: For almost all car USB device, such as dash cam, mirror cam, GPS navigator and radar detector etc.