Arrma Raider BLX BL RTR 2013 Spec Battery/Charger FEATURES: Chassis: Aluminum 0.08 (2mm) thick natural finish with double chassis rails and alloy front chassis plate, batteries fit under chassis-no n INCLUDES: RTR Raider Baja Buggy with Yellow Body and 2.4GHz Radio, ESC, Steering Servo, Brushless Motor, Tires, Wheels, Foam Inserts, Decals Instruction REQUIRES: AA Batteries: Four for transmitter Building and track equipment