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Features:

1. Super mini servo (3g) is prompt and accurate in reaction.
2. One cell Lipo at 3.7V 400mAh offers 8- to 10-minute flight after fully charged.
3. 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.

Specifications:

1. Overall Length: 185 mm
2. Main Rotor Diameter: 180 mm
3. Tail Rotor Diameter: 50 mm
4. All-up Weight: 45.5g (Battery included)
5. Tail Motor: N51 (Strong magnet)
6. Drive Motor: 1215 (Strong magnet)
7. Battery: 3.7V 400mAh Li-Po battery
8. Transmitter: WK-0405
9. Gyro: Built-in
10. Receiver: RX-409
11. Servo: weight 3.5g;speed 0.11sec/60°(4.8V);torque 0.30kg/cm(4.8V);dimension 17.5X6.5X21.5mm

Shipment Includes:
1 X Walkera No. 4-3 RC Helicopter - Pre assembled. Zero assembly time
1 X 4CH Transmitter
1 X 4-IN-1 Mainboard (Built-in 4CH rc receiver, gyro, speed control & mixer)
1 X 3.7V 400mAh Li-Po battery
1 X Lipo Battery Charger (110V & 220V)
1 X English Manual
1 X Color Packing Box