Traxxas Slash 1/10-Scale 2WD Short Course Racing Truck with TQ 2.4GHz Radio and OBA, Mike Jenkins FEATURES: Audio: On-Board Audio System projects the actual engine sounds from a 900+ horsepower PRO 4x4 short course truck, sound varies with throttle INCLUDES: Traxxas Slash Short Course Race Truck with 2.4GHz radio system, ESC, painted body, motor, steering servo, decals, audio unit, 7-cell NiMH Ba REQUIRES: AA Batteries: Four for transmitter Track and maintenance equipment