Highlights 3.5-channel full scale remote control. Omni-directional flight. With lights, built-in gyroscope. 360‌‌º exact directional and smooth hang performance.     General Spec Model 0754-1 Type remote control Channel 3.5-channel Material metal Light support Gyro support    Function support forward, backward, ascending, descending, convolution and turn left or right function. Compatibility It’s suitable to fly indoor. Battery for Helicopter built-in 3.7V Li-poly rechargeable battery Battery for Radio Control 4 × 1.5V AA battery (not included) Others a set of accessories, random shipment