Align T-REX 250 Super Combo #KX019002TA 

Length:430mm Height:187mm Main Blade Length:200/205mm Main Rotor Diameter:450/460mm Tail Rotor Diameter:108mm Motor Ponion Gear:15T Main Drive Gear:120T Tail Drive Gear:28T Drive Gear Ratio:1:8:4.28 Weight(w/o power system):138g Flying Weight:Approx 330g Color carton:27.3x10x6.6cm Outer carton:56x31x28cm ,24sets/ctn T-REX 250 Kit SetX1 set 200 Main bladesX1set 205 Main bladesX1set RCE-BL15X 15A Brushless ESCX1 (Build-in 5~6V adjustable BEC) RCM-BL250 Brushless motor(3400KV)X1 Motor ponion gear 15TX1 GP750 Head Lock GyroX1 DS420 Digital servoX1 DS410 Digital servoX3 40 Tail bladeX1set 42 Tail bladeX1set ClipX1 #00 Philips screw driverX1 0.9 Hexagon screw driverX1 Dial pitch gauge padX1 Radio transmitter and electronic equipment required for assembly: 1.Transmitter(6-channel or more,helicopter system) 2.Receiver(6-channel or more) 3.Pitch gaugeX1 4.11.1V 3S Li-Po 850mAh batteryX1 Features Electric power system. Simple and light weight design provides awesome flight performance and extreme 3D capability. 1.2mm 3k Rigid carbon fiber frame design. Beautiful factory painted fiberglass canopy. 3.5mm main shaft. 2.5mm Feathering shaft. 8.5mm Tail boom. Center of gravity of Battery tray designed close to the rotor head. Tail rotor drive belt system.