Model Number: GP1+ 01 Key Specifications/Special Features: GP1 + is an art digital gyro stabilizer that allows you to keep your phone in a very stable and horizontal state when using the GoPro sports camera, combined with some simple techniques that can help ordinary people complete in motion very professional photography, get extraordinary video clipsSupports 3.5 inches (rotatable 270 degree), for GoPro Hero 3/3+/4 cameraGP1 + is equipped with a 3.5-inch display, it has a direct record of the image playback and replay function, to bring you convenient, when GP1 + open, it can also be used as a backup power supply, you can usually extend your camera for a long time up to 2 hours Dimensions(L) 135 x (W) 136 x (H) 242mm Weight 405g (including battery) Battery LiPo battery with protective circuit board, 800mAh, 11.1V Screen size 3.5 inches (rotatable 270 degree) Power up about 120min in normal room temperature patent pending technology Supports for GoPro hero 3/3+/4