eshion Cheerson CX-31 RC Quadcopter with 2.4G 4CH 6Axis Eversion Headless RC Drone(Gray&pound; 3D Eversion Suitable Situation: Indoor and Outdoor Function: Forward, Backward, Ascend, Descend, Left, Right, 360 Degree Rotation 3D eversion mode, headless mode, no need to adjust the position of airplane before flying. 6 Axis Gyro Quad, strong stability and control easily