Gopro battery eliminator, allows continuous power supply to the camera. Can be used with the battery in place to constantly re charge it or without the battery in place to power the camera.
Works with 3+ and 4 cameras.
The replacement back door supplied keeps the case waterproof (IP67 max 1m submersion)
USB connector allows the camera to be powered from any USB socket, pc, car charger, etc.
MUST NOT BE USED WITH A HERO 2 OR HERO HD IT WILL NOT WORK AND MAY DAMAGE YOUR CAMERA.