UDI U818A-HD 2.4GHz 4 CH 6 Axis Gyro Headless RC Quadcopter Drone RTF UFO With 2MP HD Camera, Speed Mode Flip Mode Return Home Function The UDI U818A-HD has the Headless/IOC function. Usually, the forward direction of a flying multi-rotor is the same as the nose direction. By using Headless/IOC, the forward direction has nothing to do with nose direction. This lessens the steepness of the learning curve and allows the pilot to enjoy flight while slowly learning each specific orientation of the quadcopter. 6 AXIS GYRO - Equipped with the latest 6-axis flight control systems, 3D lock, More scheduled flight, operating more to the force! 360 Eversion - One key 360roll,continuous roll for perfect action and wonderful performance. HD Video Camera - U818A HD equipped with 2MP HD video camera (Resolution: 1280 x 720; Framerate: 30 Fps), lets you control the aircraft Enjoy taking pictures/video of the pleasure flights. Upgraded version UDI U818A-HD. Genuine Product Guarantee!!!