http://www.align.com.tw/shop/product_info.php?products_id=2725

●Length: 635mm
●Height: 230mm
●Main Rotor Diameter: 710mm
●Tail Rotor Diameter: 158mm
●Motor Drive Gear: 13T
●Main Drive Gear: 150T
●Autorotation Tail Drive Gear: 106T
●Tail Drive Gear: 25T
●Drive Gear Ratio: 1:11.5:4.24
●Weight(w/o power system): 450g
●Flying Weight: Approx. 780g
●Color carton:27.3x10x6.6cm
●Outer carton:56x31x28cm ,24sets/ctn
Accessories:
●T-REX 450 PRO Kit Set X1 set
●325 Carbon blades X1set
●RCE-BL35X 35A Brushless ESC X1
●430SP Brushless motor(3700KV) X1
●DS410M (Metal Gear)Digital servoX3
●GP750 Head lock gyroX1
●DS520 Digital servoX1