This is the Electric Powered, 2.4GHz Radio Controlled, Ready to Fly DR-1 Coaxial Dual-Rotor Helicopter from Traxxas. Normal Flight Mode for beginners, and Expert Flight Mode for high-speed flying maneuvers. FEATURES: Main Frame: Aluminum Radio: 2.4GHz 4-channel with "normal" and "expert" modes, digital trim, LED light to indicate binding status and Normal or Expert mode and LCD screen LiPo Battery: 3.7V 450mAh Charger: USB powered dual charger Body: Painted and detailed plastic body Tail Boom: Aluminum Landing Skids: Aluminum Stabilization: Piezo electric gyro automatically centers rudder control each time heli is landed and offers exceptional hovering and easy flight control INCLUDES: DR-1 Coaxial Dual-Rotor Helicopter with 2.4GHz Radio, LiPo Battery USB Charger, Body, four AA Cells, spare Rotor Blade Set, Phillips Screwdriver and Instruction Manual SPECS: Length: 8.9" (225mm) Width: 1.14" (29mm) Rotor Diameter: 8.7" (220mm) Blade Length: 4.1" (104mm) Weight: 2.4oz (67g) Height: 4.6" (117mm) Stabilization: Gyro COMMENTS: Available in the following color schemes; Blue/White, TRAE64BW Red/White, TRAE64RW jxs 11/02/12 ir/jxs