Model Number: GP1-004 Brand Name: OEM Key Specifications/Special Features: GP1+ is the state of the art digital gyroscopic stabilizer.It empowers stability andhorizontal leveling when shooting video footage using action cameraWith GP1 Plus, in combination with a few simple techniques, it empowers ordinary people to produce extraordinaryvideo footages on the moveThe built-in 3.5 inch rotatable monitor directly streaming recordingimage as well as for playback purposes for your convenience..When GP1+ is turned on, it also actsas the supplementary battery source, which extends your power up to 2 hours (under normal condition) "DimensionL135mm x W136mm x H242mm 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 Charging about 30min using ""lightning charge in"" patent pending technology