The weather-resistant GoPro USB Pass-through Door lets you plug in your GoPro through the door to power your camera through extra-long shooting sessions. And it gives you access to the USB-C port for easier charging. Features Hole in the door lets you plug your camera into an external power source while keeping the battery securely in place Specially designed cable/door seal keeps your camera weather resistant for outdoor adventures (when used with a GoPro USB-C cable) Easy access to the USB-C port for battery charging Cable retention clip helps prevent the cable from getting accidentally yanked out Pass-through design and external power let you power your GoPro without the battery to reduce its weight Included 4.5ft. (1.37m) USB-C cable maximises the range between your camera and your power source