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, 3+ and 4 Cameras,
Can be plugged into any USB type power source eg PC, USB cig charger etc
MUST NOT BE USED WITH A HERO 2 OR HERO HD IT WILL NOT WORK AND MAY DAMAGE YOUR CAMERA.