This is the electric powered, radio controlled, Thunder Tiger Mini Titan E325 SE 3D Helicopter Kit w/Carbon Fiber Blades. This version includes Motor and ESC. For RC Helicopter Pilots 14 Years of Age and Older. FEATURES: Control System: 120° eCCPM, utilizing three servos working together for the main control of the aileron, elevator and collective pitch, bell-hiller mixing ratio can be changed for different flying styles Rotor Head: Full metal CNC construction Main Frame: Molded lightweight one-piece Motor: Thunder Tiger OBL 29/37-10H brushless outrunner ESC: 40A Tail Boom: Carbon Tail Assembly: Belt driven with metal tail drive gears and pulleys combined for improved tail rotor control, push-pull linkage Main Blades: Carbon fiber 12.8" (325mm) in length, main rotor grips have two radial bearings and a thrust bearing Battery Tray: Molded plastic, high positioned for better aerobatics Body: Molded plastic, white in color with carbon fiber look canopy and metal canopy retaining posts Landing Gear: Molded one-piece, black in color Main Gear: Plastic construction, 150 tooth INCLUDES: ARF Thunder Tiger Mini Titan E325 SE 3D Heli, with CF Main Blades, Canopy, Body, Foam Blade Holder, Decal Sheet, Motor, ESC and Instruction Manual REQUIRES: Radio System: 6ch heli with receiver, three mini standard servos, one high-torque mini rudder servo Battery: 11.1V LiPo, at least 2000mAh (GPMP0406) NOTE if using this battery, cut the bullet connectors from the ESC and solder on Dean"s Ultra Male connectors (WSDM1302) to mate with this battery Gyro: Heading lock Battery Charger: LiPo compatible Building and field equipment SPECS: Fuselage Length: 25.74" (654mm) Fuselage Width: 4.72" (120mm) Total Height: 8.3" (210mm) Main Rotor Diameter: 28.66" (728mm), 29.45" (748mm) Tail Rotor Diameter: 6.14" (156mm) Gear Ratio: 1:11.5:4.4 Weight: 30.6oz (870g) COMMENTS: For Replacement Ball Bearings use: Qty. Size Location Qty. Bearing 1 5x11mm Upper Bearing Housing 1 DTXC1547 1 5x11mm Main Shaft 1 DTXC1547 2 3x8mm Tail Rotor Shaft 1 TTRE6541 2 2x5mm Tail Unit Not Carried jxs 12/06/10 ir/jxs