This is Syma s026 - the Micro Chinook Cargo RC Helicopter. Looks Transport 3 Ch Indoor RC Helicopter. This chinook rc heli has twin main rotor with 2 main blades each. The benefits is more stable in flight and more easy to control. This is look the real cargo rc helicopter. You can fly this rc heli in about 5-6m range.

This is SYMA S022 Chinook RC Helicopter - a 3 channel cargo rc helicopter. This is tandem rotor blades helicopter model. Comes with unique design with Alloy structure, more stable in flight, Advanced intelligent balance system, operating frequency at 27mhz/40mhz.