Specification: Color: Black Type: 2 types(optional)           type 1: 3*AA batterys(not included)           type 2: 1**18650(included) Angle: 360°horizontal rotation            37° upward rotation            37° downward rotation Supported phone dimensions: 55-120mm Supported system: iOS 10.0 and above, Android 8.1 and above Input voltage: 3-5V Working time: 50 hours Package size: 180*100*100mm/7.09*3.94*3.94in Package weight: 290g/10.23oz Packing list: 1*360°object tracking holder 1*User manual