Latest Design! Universal clip-on mirror monitor design can cover the original rearview mirror easily. Two power supply modes: Powered by car charger or hard wire (included in the package) connection on fuse box for concealed mounting (9-24V available). NOTE: This unit is not dash cam, without DVR recording function and audio, just for parking/reversing or continuous viewing for your journey safety. Meeting Your All Needs - Ignore the green reversing wire can be used for continuous viewing, or connect the reversing wire to reverse light positive pole (+9-24V) and press the power button on the monitor to close the screen, the monitor will turn on automatically while reversing.