Ready to Fly scale  helicopter. High quality indoor electric helicopter with coaxial rotors. Super stable flight characteristics due to the unique system and sliding upper rotor blades. High performance 4 in 1 electronic unit combines electronic speed controller, gyro mixer and receiver. Realistic and detailed fuselage with scale motor and internal antenna. Wide and sturdy landing gear. Up to 12 minutes of flying time with included high capacity 1000 mAh Li-Po battery.