CSTLM400-4 Rotary Laser

With a self-leveling dual beam, dual axis manual dual grade (±10%) and on-board collimator sight.

Offers user-friendly leveling, plumbing and grading power through an LCD with easy-to-understand prompts and push-button operation. Unit levels itself with state-of-the-art electronic sensors interfaced with motors, eliminating the need for releveling or subsequent rechecks. Features 1/8" accuracy at 100' (3mm at 30m). Indoor working range up to 1000' dia., outdoor working range up to 2000' dia. with optional laser detector. ±5° self leveling range with self leveling speed of ±1°/4 sec. Four D batteries provide ±30 hours of intermittent use (variable with temperature). Variable speed (0 to 1000 RPM) 360° rotation. LCD displays all functions. Backlit display with energy saving auto shutoff allows easy viewing of prompts. Use the grade mode to set as much as a 10% positive or negative grade. Comes complete with a hard-shell carrying case, batteries and instruction manual.