The laser level is your medium-range, high-accuracy solution. Ideal for basic slope work such as driveways and ramps, checking or leveling elevations, concrete forms, footings and foundations for small- and medium-sized jobs, and for excavations, digging footings and septic tanks. For all of your small to medium range leveling and slope work. Laser accuracy of + or – 3/32″ @ 100 ft. 1000 ft (diameter) range. Fully automatic electronic self-leveling for fast & accurate setups.