SAR-400 is a robot designed by Russian engineers for performing various kinds of tasks which may occur in space. The first model is undergoing tests now. Today it can do simple things which however can be dangerous for people. For example it can carry out an external inspection of space vehicles for damages. It has two hands-manipulators with fingers and it can simulate all actions of an operator. The robot’s manipulators have 21st degree of freedom, its arms – 28th degree. The mass of the robot is 144 kg.