features high quality and durable performance, and it\'s good for your drone outdoor use, easy to carry. A best choice for you to enjoy more flying joys. PS: the quadcopter in the picture is not included. Feature: High quality optical glass, scratch-resistant, oil-proof and water-proof Multi-layer coating doubled Equipped with knurling edge for easy attachment and removal Black matte aluminium satin finish almite frame reduces reflection Quick Easy Installation Uses the high quality aviation aluminum alloy frame