This is the radio controlled, electric powered almost ready to fly Swift Helicopter from Century Helicopter Products. FEATURES: Main Shaft: 0.39" (10mm) thick, hollow for weight reduction and increased strength Main Rotor Blades: Fully symmetrical fully weighted 20.5" (520mm), constructed of wood Flybar Paddles: Hollowed ultra light aerobatic Frame: Lightweight single piece side frame design Canopy: Polypropolene with battery and motor cooling ducts and tinted windshield Swashplate: 120° eCCPM metal composite with swashplate antirotation bracket and rear mounted rudder servo Drive Type: Belt drive and autorotation system Rudder Control: Tail mounted with open gearbox for additional cooling and with automobile industrial grade belt, carbon fiber rudder pushrod Ball Bearings: Full set, 39 total Feathering Spindle: 7075 aircraft grade aluminum Tail Fin Set: Carbon 3D Battery Tray: Super rigid ultra light carbon fiber Warranty: 30 day limited