Plugs your MAX2 camera into an external power source without needing to keep the battery door open Comes with a 4.5ft (1.3m) USB-C cable that extends the range between your camera and a power source Elbowed cable connector is specially designed to keep your cable out of 360 shots, while the door’s retention clip keeps the cable in place Specially designed cable/door seal keeps your camera weather-resistant (when used with the included GoPro USB-C cable)—ideal for outdoor adventures What's Included: USB Pass-Through Door for MAX2, 4.5ft (1.3m) USB-C Cable With Elbowed Connector, Hook/Loop Cable Strap