This is the Thunder Tiger X50E Flybarless 600 EP Helicopter Kit, with Carbon Fiber Main Blades.

Features:

•     One piece carbon frame with 1.2" (30mm) slim profile
•     120 degree CCPM control system (may be converted to 140 degrees)
•     23.6" (600mm) carbon main blades
•     Hardened 10mm main shaft and 7mm feathering shaft with 3 piece metal main rotor grip set, enlarged titanium rod and ball linkage for rigidity and extreme pitch response
•     Torque tube tail drive system for a crisper rudder response and 100% power transfer, all metal heavy duty tail rotor system
•     95mm carbon tail blades
•     Compound carbon and aluminum tail boom
•     Motor mount has a top position for better CG and heat dissipation
•     M3x30mm and M4x25mm bolt positions to accept a wide range of motor sizes
•     135T main gear
•     Flexible plastic landing gear with aluminum skids
•     ABS preprinted color shifting canopy

Includes:

• One Thunder Tiger X50E Flybarless 600 EP Helicopter Kit with Main and Tail Blades,
• Canopy, Decal Sheet, Foam Blade Holder and Instruction Manual

Requires:

• Radio: 6-channel with heli programming
• Brushless Motor: 50/06-50H 600-size Heli Motor, TTRG9789
• Gyro: Flybarless compatible
• ESC: CSEM8501
• Battery: 6-12S LiPo
• Battery Charger: LiPo compatible
• Building and field equipment.

Specs

Length: 52.95" (1344mm)

• Width: 7.87" (200mm)
• Height: 15.7" (400mm)
• Main Rotor Diameter: 52.95" (1345mm)
• Tail Rotor Diameter: 11" (279mm)
• Gear Ratio: 135t/15t (9:1), optional 12-14t pinions are available
• Weight: 6.06lbs (2750g) fully equipped
• Weight: 5.95lbs (2700g) without battery