JJRC H71 Features Optical flow and Altitude hold ensure a more stable flight, what’s more, with the help of the functions, your photos can be a bit clearer. Functions: Up/down, forward/backward, turn left/right, sideward flight, headless mode, altitude hold, optical flow, speed switch, Wifi FPV, light, one key takeoff/landing, way-point, emergency stop, foldable, 1080P. Way-point […]