4ch Walkera brush motor Helicopter--2.4G

Carton size:46.5*33*50.5cm
QTY:6PCS/CTN
N.W/G.W:11/12KG

Specification
1). Main Rotor Diameter: 202 mm
2). Tail Rotor Diameter: 48 mm
3). Overall Length: 213 mm
4). All-up Weight: 48g (Battery included)
5). Drive Motor: 1220(Strong magnet)
6). Tail Motor: N51 (Strong magnet)
7). Battery: 3.7V 400mAh Li-Po
8). Receiver: RX-2406
9). Gyro: Built-in
10).Transmitter: WK-2401
11).Servo: weight 3.5g ; speed 0.11sec/60o(4.8V); torque 0.30kg/cm(4.8V);dimension 17.5X6.5X21.5mm