XK Alien X250A 2.4G 4CH 6-Axis Gyro 2.0MP Camera 5.8G FPV RC Quadcopter with One Key Roll Headless Mode One Key Return Function High precision air pressure needle to fix height. Low voltage alarm function,high discharge rate lipo battery. 2.0MP camera to take picture and video. 5.8G real-time FPV brings the world in front of you. One key to return function makes it easily to find the way home;With headless mode, no need to adjust the position of aircraft before flying.