Traxxas 59076-1 Slayer Pro 4X4: 4WD Nitro-Powered Short Course Truck, Ready-To-Race (1/10-Scale), Colors May Vary The number one selling name ins RTR Innovative design and engineering Made using only the highest quality components TRX 3.3 Racing Engine, EZ-Start electric starting system TQi 2.4GHz radio system Premium running accessories 2 Amp peak detecting DC charger 30mm longer wheelbase and 26mm wider track than the original Slayer