Easy to install:Find the fuse box, determine and install the power collector, power-on test, and arrange the wiring. Package:Dash cam hardwire kit includes 1 micro USB hardwire kit, 1 mounting crowbar, 4 fuses and 4 fuse plug cables.Overall 12 feet. Wide application:This mini usb cable hard-wired kit is suitable for most car models (voltage between 12-24V). Such as dashboard camera, mirror camera, GPS navigator. High Secure Standards:The car-mounted hard-wired kit is connected to the power supply of the car battery or fuse box, which can continuously supply power to the dashboard camera. Power can be supplied when the car is turned off. If the battery voltage of your car drops to 11.6 volts or 23.5 volts, the voltage regulator will cut off the power supply, so that you have enough power to start your car. Overcurrent protection:Built-in precision switching power supply module can convert 12V(24V) to 5V. Built-in safety device prevents your equipment from over current and overheating.