The Syma S022 3 channel Chinook helicopter comes with tandem rotor blades modeled after the CH-47 Chinook military cargo helicopter.  This cargo aircraft has co-axial blades for extra stability when flying indoors.  Great for those aspiring to be or active in military service.  The 4 channel Esky Chinook helicopter is also available (about 10 inches long)

	Features: Electronic fine-tuning, flying more stable All-round 3 channel control Advanced intelligent balance system New digital full 3D control remotely with power saving mode. Full function: up/down, forward/backward, turning left and right, fixed-point hovering. Specification: Product size:46 x 16.5 x 6.5 cm Flying time:approx 12min Flying height:approx 50m Control range:100m Charging time:150-180 min Battery:7.4v 600mah Battery for transmitter:4 x AA (not included) Frequency:27mhz/40mhz Test report:CE/ROHS/FCC/ASTM Age:14+ Package Includes: S022 Syma Helicopter 7.4v 600mah battery 3 CH Transmitter with Antenna Instruction Manual 110v charger