Features:1. Semi-micro size and light weight， easy to control.2. High tenacity propeller， high efficiency， driving motor and surge power.3. Flexibly control it by radio control function.4. It is suitable for both indoor and outdoor flying.5. Charged by four 1.5V AA batteries.6. It’s simple， sturdy construction is perfect for first-time pilots.7. Good capability of anti-interference while remote controlling and feel fit of the transmitter.8. Built in Gyroscope for extreme stability and precision.9. With infrared function， it is advance and high-tech.10.Suitable for people above 14 years old.Specification:Brand: QingsongModel: QS5013Main Rotor Diameter: 3.35" / 85mmTail Rotor Diameter: 0.79" / 20mmRequired Radio: 2.5ChannelFrequency: 2.4GFlight Time: Approx. 6 minutesCharging Time: About 25minutesHelicopter Battery: Rechargeable 75mAh Lithium BatteryTransmitter Battery: 4 x 1.5V AA Batteries (Not Included)Control Distance: 10-15metersBody Material: PlasticColor: YellowSpeed Control IntegratedDimensions: (3.35 x 0.71 x 2.01)" / (8.5 x 1.8 x 5.1)cm (L x W x H)Weight: 4.09 oz / 116 gSuitable for: Ages 14+Package Included:1 x RC Helicopter1 x Transmitter1 x User Manual Note:RC toys belong to fragile object，so there is no warranty except for DOA.