Folding Design and Easy to Control: Foldable arms design, convenient to bring it outdoors. One-key taking off or landing, altitude hold and headless mode make the drone is simple to operate. Great for beginners and photographers. Optical Flow Positioning: Optical flow is a special function that allows the drone to hold its position without a pilot operating the remote control then makes flying drone always follow the pilot. WiFi Real-time Image Transmission: Equipped with HD 1080P WiFi camera, the D18 records real-time video without delay. Ideal selfie drone for shooting you from tshe air, taking pictures of you wherever you go. Double Batteries: Two detachable high capacity batteries, convenient to plug-in and install, which gives the drone max up to 20 min(10+10 min). They extend your flight experience. Along with a overshoot protection USB charging cable. Safety Ensured Flight: D18 featured with self-protection function, when it flies over the remote control range or low battery, the aircraft will enter a self-protection state, automatically slowly descend, thus you don’t worry losing your drone.