Traxxas Slash 4x4 Ultimate Ready to Run with TSM (1/10 Scale) FEATURES: Traxxas Stability Management (TSM): Superior tuning algorithms run on high-speed electronic components to control wheel spin and steering di INCLUDES: Traxxas Slash 4X4 Short Course Race Truck w/ TQi 2.4GHz Radio System w/Telemetry Sensors, Brushless ESC and Motor, Body, 8.4v 4200mAh NiMH B REQUIRES: AA Cells: Four for transmitter LiPo bag for charging battery