Traxxas 39087-3 E-Maxx 1/10 Scale 4WD Brushless RTR Monster Truck with TQi, TSM, Batteries & Charger FEATURES: Traxxas Stability Management (TSM): Superior tuning algorithms run on high-speed electronic components to control wheel spin and steering di INCLUDES: Traxxas E-Maxx RTR Monster Truck, waterproof MXL-6s Brushless Power System, wide track body, 2-channel 2.4GHz Qi radio with two servo REQUIRES: Radio Batteries: Eight for transmitter Misc. Items: Building and track equipment