SYMA Vision infrared helicopter S010 Ultra stable 3 Channel wireless control helicopter: Ready to fly out of the box including spare tail blade High power infrared transmitter with build-in lipo battery charger Light weight high performance canopy with led lights Ultra stable twin rotors design for both indoor and outdoor flight with high strength one piece rotor blade design Light weight composite design for durability and high performance flight High speed twin 6mm motors for extreme performance Advance Lipo battery provide long and powerful flight Digital sub trim for precise flight adjustment Specification: Length: 170mm Width: 30mm Height: 85mm Main rotor diameter: 130mm Tail rotor diameter: 30mm PACKAGE INCLUDED: S010 helicopter Infrared transmitter with build-in Lipo charger Lipo battery Spare tail rotor blade Â