Features:1. Semi-micro size and light weight， easy to control 2. High tenacity propeller， high efficiency， driving motor and surge power3. Flexibly control it by radio control function4. It is suitable for both indoor and outdoor flying 5. Charged by four 1.5V AA batteries6. It��s simple， sturdy construction is perfect for first-time pilots7. Good capability of anti-interference while remote controlling and feel fit of the transmitter8. Built in Gyroscope for extreme stability and precision9. With infrared function， it is advance and high-tech10. Suitable for people above 14 years old Specifications:1. Brand: Qingsong2. Model: QS50103. Main Rotor Diameter: 3.35" / 85mm4. Tail Rotor Diameter: 0.79" / 20mm5. Speed Control: Integrated6. Required Radio: 3.5Channel7. Frequency: 2.4G8. Flight Time: Approx. 6 minutes9. Charging Time: About 25minutes10. Helicopter Battery: Rechargeable 75mAh Lithium Battery11. Transmitter Brand & Model: QS501012. Transmitter Battery: 4 x 1.5V AA Batteries (Not Included)13. Control Distance: 10-15meters14. Body Material: Plastic15. Color: Yellow16. Dimensions: (3.35 x 0.71 x 2.01)" / (8.5 x 1.8 x 5.1)cm (L x W x H)17. Weight: 4.23 oz / 120 g18. Suitable for: Ages 14+Package Includes:1 x Helicopter1 x Romote Control1 x User Manual