Blast through even brutal terrain with the full-time 4WD traction and power of the 1/10 scale ARRMA GRANITE 4X4 MEGA 550 Brushed RTR. The muscular design of this RC monster truck 4x4 amplifies your driving thrills as only ARRMA can. Unleash astonishing speed capabilities of 30 mph or more with the included NiMH battery and optional gearing. Upgrade to 2S LiPo power and take the speed, run time, and monster truck remote control madness to a whole new level. This ARRMA RC truck arrives fully assembled and ready-to-run. Just add AA transmitter batteries and send it!