This is the Thunder Tiger Raptor E700 Electric Flybarless Helicopter Kit. The E700 is designed for performance and agility, while being affordable. It is smaller and lighter than the E720 and is equipped out of the box with parts to handle extreme 3D.

Features:

• Innovative quick-calibration system
• Precise and heavy-duty tail rotor system
• Extended electronics tray for easy installation
• Lightweight one-piece metal tail boom support bracket
• Rear rudder servo plate for easy maintenance and efficient heat dissipation
• Collective pitch range ±15 degrees
• Light yet rigid one-piece machined aluminum tail case
• Latest fiberglass canopy design w/sleek scheme
• 8mm torque tube driven tail w/efficient helical bevel tail gear
• Quick-release battery tray (Patent Pending) fits two 6-cell LiPo battery packs
• 12mm hardened hollow steel main shaft
• Metal servo horns and control arms included
• Bearing equipped washout linkage for ultra smooth control
• Lightweight and rugged landing skid for low center of gravity
• Lightweight and heavy-duty 14mm herringbone 128T main gear and 13T motor pinion

Specifications:
Length: 50.3" (1277mm)
Width: 7.5" (191mm)
Height: 15.2" (385mm)
Main Rotor Diameter: 60.5-61.3" (1538-1558mm)
Tail Rotor Diameter: 11.02" (280mm)
Main Rotor Length: 27.17" (690mm)
Tail Rotor Length: 4.13" (105mm)
Gear Ratio (E:M:T:): 9.85:1:4.27

Needed to Complete:

• 7-Channel helicopter radio system (or higher)
• (3) Cyclic Servos
• (1) Tail Servo
• 3-Axis flybarless gyro system
• Brushless Motor
• Electronic Speed Control (ESC)
• Receiver battery pack 
• Switch Harness
• LiPo battery 
• Compatible Battery Charger
• 690-715mm Main Blades
• 105-115mm Tail Blades