●Length:430mm
●Height:157mm
●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

Accessories:
●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
●40 Tail bladeX1set
●42 Tail bladeX1set
●ClipX1
●#00 Philips screw driverX1
●1.3 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.Head lock gyroX1
4.Specialized servoX1
5.Micro servoX3
6.Pitch gaugeX1
7.11.1V 3S Li-Po 850mAh batteryX1