Here is a quadrupedal robot designed to autonomously negotiate challenging environments. ANYmal relies on torque controllable actuators for dynamic running and climbing. It has laser sensors and cameras to analyze its environment and create maps. ANYmal has batteries to work for more than 2 hours. It also comes with gas-detection sensors, lighting, and microphones to perform tasks.
These robots weigh less than 30kg. They can be controlled and transported by a single person. More information is available here.