RACE-INSPIRED ENGINEERINGEXTREME 8S POWER AND SPEEDX-TRUCK™ SIZE AND STRENGTH The Traxxas XRT fuses race-inspired design and engineering with X-Maxx® power and strength. The result is an all-new platform with sharp reflexes and unprecedented stability that is capable of exploiting the upper range of extreme 8s power and speed. MODEL 78086-4: XRT 1/6 scale 4WD brushless race truck. Fully assembled, Ready-To-Race®, with TQi™ 2.4GHz radio system, VXL-8s brushless power system, and ProGraphix® clipless body. What’s In The Box: XRT, Ready-To-Race® model with Traxxas Big Block™ brushless motor VXL-8s waterproof electronic speed control with integrated telemetry Quick Start Guide TQi™ 2.4GHz radio system High quality maintenance tools Optional speed gears What You’ll Need: LiPo Batteries Traxxas recommends dual 4-Cell, 6700 mAh Power Cell LiPo batteries (part #2890X) or the Dual 4s Completer Pack (Part #2997). LiPo Balance Charger with iD™ Traxxas EZ-Peak® Live 4s-capable charger is recommended for easy and fast charging performance (model #2971). AA Alkaline Batteries Four AA alkaline batteries for the transmitter.