The curved design fits securely to most bike helmets

and ND256 filters

weather-resistant design built for professional use

glued-shut housings

dji lito x1 series intelligent flight battery plus #RS4 & RS4 Pro The curved design fits securelyProvides a max flight time of 52 minutes*, allowing you to explore more of your surroundings and fly with peace of mind. * Measured in a controlled wind tunnel environment under conditions equivalent to windless operation and sea level altitude, with the aircraft flying forward at a constant speed of 21. 6 kph, Obstacle Avoidance Action set to Brake, and the camera set to record at 1080p 24fps (but no active video recording), until a forced landing