RadioShack Dune Warrior Powerful performance-tuned motor delivers scale speeds up to 135mph (up to 1000 feet per minute) Digital proportional steering and speed control with trim for accurate maneuverability and speed Includes rechargeable 9.6V battery pack Spiked all-terrain tires, spring suspension and rear differential gear for off-road racing Remote requires one 9V battery (not included) Control distance: 130-ft. (39.6m) Climbing angle: 20 Hobby-style controller operates at 2.4GHz, so you can race more than one vehicle at a time