This is the 1/10 scale Brushless Electric Powered, 2.4GHz Radio Controlled RTR ProLite 4x4 Short Course Truck from the Qualifier Series from Associated. FEATURES: Chassis: Composite construction, modular configuration Drive: Four wheel shaft with aluminum driveshaft and adjustable center slipper clutch, front CVAs and rear dogbones Motor: Reedy 550-SL 3500kV brushless Radio: XP2G 2.4GHz with XP metal gear steering servo and enclosed receiver box Electronic Speed Control: XP-SC900-BL water resistant Battery: Reedy WolfPack 3000mAh 7-cell 8.4V NiMH with Deans connector Differentials: Heavy duty gears Body: Painted and decaled Shocks: Plastic body, fluid filled Wheels: KMC replica with 12mm hex drive Tires: Treaded rubber, outer diameter: 4.2" (107mm), width 2" (50mm) Spur Gear: 32P Bumpers: Front and rear composite plastic INCLUDES: RTR ProLite 4x4 Short Course Truck with Brushless Motor, 2.4GHz Radio, 7-cell NiMH Battery, Painted Body, and Instruction Manual REQUIRES: AA Batteries: Six for transmitter NiMH Battery Charger Track and maintenance equipment SPECS: Vehicle; Length: 21.06" (535mm) Width: 11.42" (290mm) Wheelbase: 12.76" (324mm) Weight: 5.78lbs (2624g) Body; Length 21.6" (550mm) Width 11.5" (293mm) at front fenders, widest point 8.8" (224mm) at center section, narrowest point Height: 6" (153mm) COMMENTS: Available in the following body colors; Blue, ASCD71BB Gray, ASCD71EE For Replacement Ball Bearings use: Qty. Size Location Qty. Bearing Set 2 6x10mm Transmission 1 DTXC1561 2 3/16 x 3/8" Transmission 1 DTXC1423 2 3/16 x 3/8" Idler Gear 1 DTXC1423 4 3/16 x 3/8" Rear Hubs 2 DTXC1423 4 3/16 x 3/8" Front Hubs 2 DTXC1423 jxs 10/31/12 ir/jxs