Esky 2.4 Ghz Big Lama Outdoor 4ch RC Helicopter - Red 4 Channel 2.4 Ghz Helicopter 11.1V Li-polymer Battery (EK1-0188) Charger for 7.4V and 11.1V Li-polymer battery (EK2-0851) Mix controller: 3 in 1 controller (with gyro, mixer, receiver)