sentences:  It can also move around in city environments.Undeterred by stairs, rubble, dark alleys, caves or narrow tunnels, VIPeR is a highly effective partner for dismounted soldiers, keeping them out of harm's way by detecting IEDs and booby traps and warning them of enemies and dangers ahead.Another feature of this robot is its ability to be packed small, it is a robot that can be carried by one man, in a backpack, including all of its gear.