Slayer Pro 4X4: 1/10-Scale Nitro-Powered 4WD Short Course Racing Truck. Ready-to-Race with EZ-Start electric starting system, TQi Traxxas Link Enabled 2.4GHz radio system, Traxxas Stability Management (TSM), and TRX 3.3 Racing Engine. Includes: Battery and charger for the EZ-Start, extra glow plug, fuel bottle, and tools.