Traxxas T-Maxx 3.3: 1/10 Scale Nitro-Powered 4WD Monster Truck with TQi 2.4GHz Radio and TSM, Black TRX 3.3 racing engine delivers massive power and torque to all 4 wheels to conquer any terrain at speeds up to 45mph TQi 2.4GHz Transmitter with Traxxas Link wireless module, factory installed telemetry sensors, and TSM stability control Tunable, sealed front and rear differentials and auto-shifting two-speed transmission Ready-To-Drive with included NiMH receiver pack and EZ-Start battery, chargers, fuel-filler bottle, spare glow plug, and more! Extended chassis, heavy-duty chassis braces, transmission skid plate and 6.3" Maxx all-terrain tires on mirror-chrome 3.8" Hurricane wheels