MJX F-639 Electric RC Helicopter F-Series 2.4GHz GYRO 4CH Ready To Fly Features: Manufactured by MJX! 2.4GHz Radio Technology for Uninterrupted Flying! Huge Size, Measures over Two and a Half Feet Long! (31") Electric Powered (Rechargeable) Charges Via Included Wall Charger! Remote Control has LCD Display! Full Function 4CH Radio Controls! Optimized for Indoor and Outdoor Flight Working LED Light! Integrated High Power Li-Po Battery! High Strength Body Consturction Durable Metal Alloy Frame Gyroscope Equipped for Smooth Flying Coaxial Rotor Design with Balancing Bars for Maximum Stability! Comes with Spare Main and Tail Rotor Blades! Remote Control requires 4 AA Batteries to run (not included) Length: 31" Wingspan: 30.5" Height: 12"