Arrma AR102615 Granite BLS 3300mAh NiMH 8.4V Blue Monster Truck FEATURES: Upgrades from the MEGA brushed vehicles include: -540 size, 4000kV brushless motor -Brushless ESC with push button programming and 35A INCLUDES: RTR BLS Granite Monster Truck, 2.4GHz Radio REQUIRES: AA Batteries: Four for transmitter Track and maintenance equipment ESC, Waterproof Steering Servo, Tires, Wheels, Foam Inserts, Battery, Charger, Decals and Instruction