ARRMA 1/10 Granite Mega 665 4X4 RTR Brushed Monster Truck Orange is a ready-to-run MEGA 665 4X4 built for grass, dirt, and all-terrain monster-truck bashing. It uses shaft-driven 4WD with the high-torque MEGA 665 brushed motor system and includes oil-filled shocks, a tough composite chassis, and Spektrum radio gear. Four-wheel traction and progressive brushed power provide confident control on loose surfaces. The MEGA 665 brushed power module is paired with a waterproof Spektrum ESC/receiver, waterproof steering servo, and SLT2 2.4GHz transmitter; the electronics accept 2S or 3S power as specified for the platform. Official dimensions: 470 mm (18.5 in) long, 340 mm (13.38 in) wide, 204 mm (8.03 in) high, with a 284 mm (11.18 in) wheelbase. Battery: Required (sold separately). Charger: Required (sold separately). Recommended power package (sold separately): 5000mAh 2S or 3S hardcase LiPo with IC5/EC5 connector and LiPo balance charger rated for the selected 2S or 3S pack.