![These Robot Surveillance Balls Can Swim And Roll On Any Terrain](https://hight3ch.com/wp-content/uploads/2018/02/these-robot-surveillance-balls-c-800x440.jpg)
Big brother is watching through big wheel.
This is Guardbot, a surveillance robot that’s able to manoeuvre on any terrain, even having the ability to swim. The device comes in a variety of sizes, ranging from as small as 5 inches to a model that is 7ft in diameter.