Compact, lightweight and water-resistant, this automatic level features a magnetic-dampened automatic compensator to level the line of sight. Its rugged, water-resistant construction means you can use them in light rain or dusty conditions. This can be attached to both flat- and spherical-head tripods, and horizontal tangent knobs with an unlimited range ensure smooth, precise pointing and angular measurement-and you can operate them with either hand. The detachable eyepiece lens lets you use an optional diagonal eyepiece prism for working in extremely close quarters.