New Features2-Wheel drive 4X2 transmission that's upgradable to 4X4 (using 4X4 BOOST Transmission Upgrade Set)Spektrum 2.4GHz SLT2 transmitter with 50/75/100% throttle modesSpektrum SLT 2-in-1 40A ESC & ReceiverSpektrum Smart 8.4V 3300mAh 7-Cell Hump NiMH Battery includedSpektrum S120 USB-C Smart Charger includedAA transmitter batteries includedAdditional FeaturesMEGA 550 12T brushed motorSpektrum S650 waterproof digital servo offering 84 oz-in of torqueMetal internal geared diff1.35 module input and main diff gear teethStrong composite chassis with extended height dirt defendersImpact absorbing bumpersSteering system with stone clearanceEasy-access modular design — power, diff, and electronics modules can be removed for maintenance quickly and easilyDouble-wishbone suspension front and rear for great handlingVented dBoots tires that disperse water for improved durability2-year limited warranty — see website for detailsOverviewYou need just one RC truck to journey from beginner bashing to extreme all-road blasting, and that’s the faster, tougher ARRMA SENTON 4X2 BOOST 550 MEGA Brushed 2WD. Though it’s easy to drive, affordably priced, and completely ready-to-run — even a 7C NiMH battery and USB charger are included — check out the aggressive 1/10 scale RC short course truck styling for a hint of what’s in store. Speeds of 30+ mph are possible under optimum conditions. With its durable chassis, wide wheelbase, and vented tires, the ARRMA SENTON 4X2 BOOST puts the hammer down on nearly any off-road or paved surface, while its smooth handling has you looking like a short track RC winner straight off of the starting line