Features Made of lightweight plastic, this tank chassis is strong yet lightweight and can be used to make tank toys or robotics projects. The tank chassis has good shock absorption effect and can be pressed down by 0.7cm. Uses universal 130 motor, which can be replaced with high-quality motors of the same model. This tank chassis supports 3V-7V voltage and can be used in most systems. The bottom is designed with a battery holder that can accommodate AA batteries, and the tail is equipped with a DC charging port. Specifications: Main Material: Plastic Size: 18.5*9.7*5cm/7.28*3.81*1.96" Voltage: 3V~7V Battery: 4pcs AA batteries(not included) Weight: 175g(approx.) Quantity: 1 Package Includes: 1 x Tank Chassis(Batteries are NOT included) Package List