Description:  Main Rotor Diameter: 3.35" / 85mm;  Tail Rotor Diameter: 0.79" / 20mm;  Required Radio: 3.5Channel;  Flight Time: About 6 minutes;  Charging Time: About 25minutes;  Helicopter Battery: Rechargeable, 75mAh Lithium Battery;  Transmitter Battery: 4 x 1.5V AA Batteries (Not Included);  Control Distance: 10-15meters;  Body Material: Plastic;  Color: Yellow,Black,blue,red(randomly sent);  Weight: 4.23oz/120g;  Suitable for: Ages 14+.     Features:  It's simple, sturdy construction is perfect for first-time pilots.  Semi-micro size and light weight, easy to control.  High tenacity propeller, high efficiency, driving motor and surge power.  With infrared function, it is advance and high-tech.  Flexibly control it by radio control function.  Good capability of anti-interference while remote controlling and feel fit of the transmitter.  Built in Gyroscope for extreme stability and precision.  It is suitable for both indoor and outdoor flying.  Suitable for people above 14 years old.     Package Includes:  1 x Helicopter;  1 x Transmitter.