HPI Racing 112878 E-Firestorm RTR Flux Vehicle FEATURES: Chassis: Composite nylon tub 3mm (0.12 ) thick Drive: Rear wheel with alloy steel dogbones and axles Motor: Flux MMH 4000Kv brushless Electric INCLUDES: HPI E-Firestorm Flux Stadium Truck, brushless motor, Flux EMH-3S 80A ESC, 2.4GHz radio with steering servo, Front Line front tires, REQUIRES: Batteries: 2 or 3S LiPo, or 6-7 cell NiMH with Dean's connector Battery Charger: To match selected battery Maintenance and track equipment