Plug and play, no need to make permanent modifications to your vehicle, no need to hide long wires, and no more unsightly power cords interfering with your view. 【2 USB Outputs for our Dash Cam Power Adapter】Our mirror to dashcam power adapter is equipped with two USB adapter output ports, each of which is connected to a 12V to 5V step-down module, and supports up to 5V-3A output.
eBay