USA Ship Walkera V120D02S 3D FBL 6-axis Rc Helicopter Shaft Drive Kit WITHOUT Transmitter--Green color Main Rotor Diameter: 308 mm, Tail Rotor Diameter: 85 mm, Overall Length: 290 mm Gyro: 6-axis Transmitter:Selectable Battery: 3.7V 600mAh Li-Po, ESC: WK-WST-20A-L, Brushless Motor: WK-WS-15-001, Receiver: RX-2636H-D, Servos:WK-02-1 Weight: 100g