36 inch ALLOY SKY KING HUGE SiZE GYRO- GYROSCOPE 8501 Metal 3-Channel RC Helicopter 91cm 9100MM (Colors May Vary) 36 inch HUGE GYRO HELICOPTER Length : 910mm - Height: 300mm Main rotor length: 520 mm Control Specification: forward / backward / up / down / left / right Battery: 11.1v Lithium Battery -# Battery for controller: 8 "AA" batteries