Specification(3GX Programmable Flybarless System) ::
Operating Temperature:-10~60 degree
X and Y axis Operating Angle Range:-300~+300 degree
Z axis Operating Angle Range:-600~+600 degree
Size:36.5x25.2x15.6 mm Size
Weight11g Weight
Supports Wide/Narrow Bandwidth Digital and brushless servos
Spektrum and JR Satellite antennas support (Replaces original factory receiver)
Futaba S.BUS system support
Built in governor function
Maximum working voltage:8.5V
Compatible with 1024/2048 resolution Spektrum receivers
Supports 90/120/135/140 CCPM swashplates
Field setup without the use of a PC
Compatible with 2 to 5 blades rotor heads
Support up to 6 servos
Automatic servo type recognization

Specification(T-REX 550E V2):
Length: 1042mm
Height: 356mm
Main Blade Length: 520mm
Main Rotor Diameter: 1188mm
Tail Rotor Diameter: 254mm
Motor Drive Gear:16T
Main Drive Gear:170T
Autorotation Tail Drive Gear: 131T
Tail Drive Gear: 34T
Drive Gear Ratio: 1:10.62:3.85
Weight(With Motor): 1800g
Flying Weight: Approx. 2800g

Accessories:
T-REX 550E V2 3GX Kits Set X1
Aluminum Tail Boom X1
RCE-BL70G Brushless ESC x1
520 Carbon fiber blades X1
DS610 Digital servoX3 set
DS620 Digital servo X1
3GX Flybarless System X1 set
600MX Brushless Motor X1
90mm 3K Carbon Fiber Tail Blades X1 Set

Radio transmitter and electronic equipment required for assembly:
Transmitter(7-channel or more, helicopter system)
Receiver(7-channel or more)
6S Li-Po 2600 ~ 5200mAh
Dial Pitch Gauge