Description: Product: DIY Smart RC Robot Car Chip: C51 Control: Infrared Control Battery: 4* 1.5V AA Batteries (Not included) Motor: DC Gear Motor Fearture:- DIY design, free to assemble at any time.- Educational kit, helps to develop logic thinking & operating abilities.- Infrared control, support tracking & obstacle avoidance.- Detachable battery mount design, easy to change the battery Package:1* Robot Car Kit (as pics show)