RTF Dragonfly 5G4 Electric Helicopter

Specifications : 1. Main Rotor Diameter: 340 mm 2. Tail Rotor Diameter: 340 mm 3. Overall Length: 425 mm 4. Drive System: 2×130PH 5. Battery: 3.7V 1000mAh Li-Po battery All-up 6. Weight: 188g (Battery included) 7. Transmitter: WK-0408 8. Gyro: Built-in 9. Receiver: RX-410 10.Servo: weight 8.5g ; speed 0.11sec/60o(4.8V); torque 0.9kg/cm; dimension 22.5X11.5X24mm Features : 1. One cell Lipo at 3.7V 1,000mAh offers 7- to 10-minute flight after fully charged. 2. High quality servo is prompt and precise in reaction. 3. Coaxial structure makes flying much stable and easy. 4. 4-channel transmitter with visible power indicator can avoid helicopter losing control due to the shortage of battery power,and support you to fly without any worry. 5. An optimal model for the beginner.