Double Horse FX037 Electric RC Helicopter GYRO 4CH High Speed RTF Features: Electric Powered (Rechargeable) Charges Via Included Wall Charger! Highly Durable Metal Alloy Construction Full Function! (Rise and Descend, Turn Left and Right, Forward and Backward) Integrated High Power Li-Po Battery 4CH Radio System Optimized for Indoor and Outdoor Flight! Gyroscope Equipped for Smooth Flying Single Rotor Design with Balancing Bar for Maximum Stability! Extreme Detail from the Faux Carbon Fiber to the Frame! Remote Control requires 6 AA Batteries to run (not included) Length: 15.5" Wingspan: 15" Height: 6"