The UST-20LX is a scanning laser range finder (LiDAR) with a .02 to 20 meter range. The sensor's interface is Ethernet. Scanning rate is 25 milliseconds across a 270° range.
Hokuyo Sensor UST-20LX with custom mounting base and hardware. These are high quality sensors that were used on a prototype and are in good working order. These are sold as is. What you see in the picture is what you get.