Red and Black Cool Wltoys V913 Large Alloy 70cm 2.4G 4CH RC Remote Control Helicopter with Gyro Adopted 2.4G technology for anti-interference, more copters flying together can not interfere with each other Functions: Up / down, turn left / right, forward / backward, left / right sidewayfly, hovering, 360 degree rotation, control mode exchanging function Built-in gyro, come with strong stability, easily implement various flight movements, stronger wind resistance, easier to control Right / left hand throttle modes - 4 types of remote control modes for you to shift as you like