Align TB40 Top Combo : RH40E01XTSpecification Length: 747mm Height: 223mm Width: 103mm Main Blade Length: 380mm Main Rotor Diameter: 851mm Tail Length: 70mm Tail Rotor Diameter: 188mm 400MX Brushless Motor(1100KV/3220) Motor Belt Pulley: 22T Drive Gear Ratio: 6.44:1:4.04 Max RPM(approx.): 3400RPM Frame Weight(Batteries not included): Approx. 953g Accessories included TB40 Kit Set x 1 set 380 Carbon Fiber Blades x 1 set 70 Carbon Fiber Tail Blades x 1 set 400MX Brushless Motor(1100KV/3220) x 1 DS450M Digital Servo x 3 DS535M Digital Servo x 1 60A Brushless ESC x 1 MICROBEAST² Flybarless System x 1 Radio transmitter and electronic equipment required for assembly Transmitter(6-channel or more, helicopter system) Receiver(6-channel or more) RCC-6CX Intelligent Balance Charger 22.2V 6S 1850~2200mAh Li-Po Battery