Esky Electric 3d R/C Helicopter

Main rotor diameter:515mmFuselage length:520mmAll-up-weight:280gMotor type:370sizePower:9.6v/11.1v li-poly battery packRc:6ch/3 micro servosRtf; ready to fly-95% pre-built.High performance main electric drive motor for extended duration flight.Fast speed servo mounts for easy setup.Collective pitch rotorhead for 3d flights.Autonomy of 15 minutes with 11.1v-1000mah li-poly battery.3d electromotion helicopter with the ccpm immobile system.Lightweight prebuilt cabin with quick fasteners will make you fly happy.Symmetrical wood blade will be damaged uneasy, and will make you fly with easy.Optional upgrade parts:Brushless motors:2900 kv (rpm/v),18ampSpeed controller:7 ampPacking details:Each helicopter in a color box,6pcs in a carton.Carton size:59*55*50 cmWeight:14.50 kgs