Specialty: 1) Ultra tough carbon fiber main frame makes the Helicopter have light weight and durability 2) Tail Rotor Drive Belt System 3) unique dual-push tail pitch for smooth pitch travel and approach "zero” tolerance controlling. 4)High Precision CNC-machined metal main rotor and tail rotor control group provides more operation accuracy Power and Radio Equipment: Li-Poly Battery:11.1V 3S 2200mAh / 20C Transmitter:6 Channel (Helicopter System) *1pcs Receiver:6 Channel *1pcs Brushless Motor: 3500KV powerful Brushless motor *1pcs ESC: 35A Brushless ESC *1pcs Gyro:GA410 *1pcs + digital tail servo*1pcs Servo: Gootch servo (metal gear) *3pcs Balance charger Fiber glass blade *1pc; canopy*1pcs Aluminum case *1pcs: