Features: brand new and high quality Driverless is now very popular. Based on this car chassis, you can know many AI knowledge, such as machine learning, ROS, deep learning, reinfored learning, and other robotics knowledege. Equipped with anti-collision tires, worry-free playing indoors and outdoors. Made of environmentally friendly ABS plastic, it is characterized by a cool body design and a bright surface. No matter what country, beach, grass or stairs, you can easily conquer. Four full metal gear box motor traction, powerful, can be retracted, can turn left and turn right, and run smoothly and smoothly. The tracked chassis is unassembled, you need to get it done by yourself and enjoy the fun of DIY. When you want to do some robot model function realization. This for smart car chassis is very suitable for you. Package Includes: 1 Piece for Tank Chassis Kit Specifications: Material:Metal Size:Approx.39.3x20.6x8.4cm/15.5x8.1x3.3in Motor Working Voltage: 6 to 12V (Speed More Than 350 Revolutions Per Minute at 12V) note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.