Light Detection and Ranging or LIDAR is a remote sensing method that uses light in the form of a pulsed laser to measure distance. LIDAR sensors provide navigation and localization for autonomous ground robots.
Hokuyo UTM-30LX-EW scanning laser range finder (LiDAR) with an extended sensing range to 30 meters. Interface is Ethernet and scanning rate is 25 milliseconds across a 270° range. Detectable in snowy, rainy, foggy and dusty conditions.