Specification of the Trex 450L Dominator :
● Length: 705mm
● Height: 205mm
● Width: 110mm
● Main Blade Lenght: 360mm
● Main Rotor Diameter: 804mm
● Tail Rotor Diameter: 171mm
● Motor Drive Gear: 11T
● Main Drive Gear: 121T
● Autorotation Tail Drive Gear: 106T
● Tail Drive Gear: 25T
● Drive Gear Ratio: 1 : 11 : 4.24
● Weight (w/o power system): 730g


Specification of the 3GX Programmable Flybarless System:
 

● Operating voltage range: DC 3.5V~8.4V
● Operating current consumption: <80mA @4.8V
● X and Y axis Operating Angle Range: -300~+300 degree
● Z axis Operating Angle Range: -600~+600 degree
● Sensor resolution: 12bit
● Supports 90 / 120 / 135 / 140 CCPM swashplates
● Spektrum and JR Satellite antennas support (Replaces original factory receiver)
● Futaba S.BUS system support
● Supports Wide / Narrow Bandwidth Digital and brushless servos
● Compatible with 2 to 5 blades rotor heads
● Built in governor function
● Maximum working voltage: 8.5V
● Compatible with 1024 / 2048 resolution Spektrum receivers 
● Field setup without the use of a PC
● Support up to 6 servos
● Automatic servo type recognition 
● Operating Temperature: -20 ~ 60 degree 
● Operating Humidity: 0% ~ 95% 
● Size: 36.5 x 25.2 x 15.6 mm Size 
● Weight: 11g 

Users must have a certain concept of security to operate the R/C helicopters. 
Be sure to read and comply with related safety notes of instruction manual before flying.