Half Beast - Half Machine! The Illumivor Hydro-Jaw is an infra-red radio-controlled mini predator with animated chomping teeth. Menacing in the light, these mechanized carnivores really come to life in the DARK. Control the action with a cool Shark Fin Controller (included) Illumivor Radio Control Mini Vehicle - Hydro Jaw features: * Light up animating jaws * 4 Inches From Teeth to Tail * Fun in the Light or Dark * Operates 3 Button Cell (included) and 2 AAA Batteries (not included)