This is the HPI Trophy Flux 1/8 Scale 4WD Electric Buggy Racer RTR. The brushless-powered RTR Trophy Buggy Flux from HPI is the go-to kit for all-out fun and excitement combined with mind-bending top speeds! The Trophy Buggy has been a hugely popular 1/8th buggy, and now that it's fitted with the demonically fast Scream brushless motor and the 4S-capable Flux Rage speed controller, you can finally see what all the excitement is about with 1/8th electric buggies at a great price!Fully assembled right out of the box and fitted with a no-hassle HPI 2.4GHz radio system, the Trophy Buggy Flux is ready for you to drop in two 2S LiPo batteries for 14.4 volts of ground-crushing fun! Go brushless with the Trophy Buggy Flux! Includes: HPI On-Road Sprint 2 Touring Car with the BMW M3 GT-2 Body Flux Vapor ESC Flux Vektor 5900kV brushless motor Body Wing 4 AA TX batteries 2.4GHz radio with waterproof steering servo Decal sheet Instruction manual Requires: 7.2V NiMH battery stick pack with Dean's connector Battery charger to match selected battery Building and track equipment Features: Chassis: 3/16" (4mm) plastic Drive: Four-wheel belt drive Motor: HPI Flux Vektor 5900kV brushless (not 3S LiPo compatible) Radio: 2-channel 2.4GHz, SF-10W waterproof steering servo and four AA transmitter batteries Electronic Speed Control: Waterproof HPI Flux Vapor, LiPo compatible and fully programmable with the USB Programming Kit (not included) Ball Bearings: Full set, rubber sealed Shocks: Oil-filled, plastic bodied Differentials: Planetary gear, sealed Transmission: Single speed with Flux optimized gearing Tires: HPI X-Pattern Racing Tire 1.02" (26mm) width, 1.9 (49mm) diameter; Rear, 1.2" (31mm) width, 1.9" (48mm) diameter Wheels: Rays Volk TE37 six spoke black 1.9" (48mm) diameter, 1.02" (26mm) wide Pinion Gear: Steel 48 pitch Spur Gear