Feature:1. The kit contains 2 different fuse holders with 2 different fuses, convenient.2. Using the hard wire kit the in car camera will power on and start to record automatically when the vehicle starts.3. Red=vdd Black=Gnd.Specification:Model: A56900Material: PlasticColor: BlackUSB Interface: Mini USBOutput Voltage: 5VOutput Current: 24AType: ACU/ACSBuck: 12V-28V to 5V 2.4APackage Included:1 X Hard Wire2 X Fuse1 X Medium ACU Fuse Holder1 X Small ACS Fuse Holder