Features:-Function: Up/down, forward/backward, turn left/right, 4K camera, one button takeoff/landing/back, altitude hold mode, headless mode, route flight, emergency stop, gravity sensor, gesture photo/video, 3D flip.-4K HD camera can capture stunning, sharp and vivid images with wide background. With WIFI function can be connected APP, APK system to take pictures, video, real-time transmission through the phone camera image.-Track flight: after setting the target via APP, the drone will automatically fly the specified track.-The modular battery with real-time battery indicator puts on a long-lasting flight of 15 minutes with a capacity of 3.7V and 1800mAh.-The quadcopter fuselage is made of high strength and resistant engineering plastics,lightweight and d.