Specification: Length of input wire: 50cmLength of output MINI USB wire: 400cm (Approx.)Input voltage: 12-24V DC Output voltage: 5V DC/2A Red=+ve Black=Gnd Features：- Light compact, convenient to use and transport, easy installation and use- Automotive Hardwiring Kit for Dash Camera DVR and other - electronics that use MINI USB 5V Power- Allows for 24/7 Recording/Surveillance- Professional installation recommended.- 24 Hour Surveillance and Protects against Battery Dying- Protects your vehicle s battery from being drained by the dash camera.- Easy and convenient to use- With MINI USB connector- With ACU and ACS connectors which are more convenient to connect with your car. How to use:1. Simply remove a fuse from the fuse box, plug the required fuse "tap" cable supplied in the kit in to the vehicles fuse box and plug the displaced fuse in to the top of the fuse tap cable.2. The car camera now has its own power supply and no longer requires connection to the car cigarette lighter socket.3. Now simply hide the included 3m car camera power cable, using your car interior trim, to the point of installation of your Nextbase car cam.4. Using the hard wire kit the in car camera will power on and start to record automatically when the vehicle starts. Package include: 1x Car Camera Hard Wire Kit