Original Wltoys V911 2.4G 4CH Single Blade RC Helicopter without Transmitter 4CH 2.4G RC helicopter with built-in Gyro. Pioneering single propeller design, it can greatly avoid the resistence of wind. High quality ultrathin canopy with ultra light weight and strong resistance of impact. The remote control is designed with a LCD disply for easier and more precise operation. Freely flying up, down, forward, backward, left to fly, right to fly, hover with rapid response.