CST-berger LaserMark LMH-C Series Automatic Electronic Self-Leveling Rotary Laser Kit - 57-LMHCUPK LaserMark LMH-C Series Automatic Electronic Self-Leveling Rotary Laser Kit The LMH Series Automatic Self-Leveling Rotary Lasers offer fast and simple leveling power to handle your toughest indoor/outdoor jobs with less manpower. The LMH Series levels itself via electronic sensors interfaced with motors, eliminating the need for re-leveling or rechecks. No more fussing with manual leveling screws or bubbles; just turn it on and you are ready for work! Plus, the built-in Anti-Drift System (ADS) sensor provides peace of mind when working on a busy job site; if the laser's "height of instrument" (H.I.) is altered due to tripod movement or an accidental bump, the operator is instantly alerted. Features Single Beam Offers 600 RPM Rotation for Optimal Use with Detector or Depth Sensor Anti-Drift System to Signal Operator When Unit is Moved Out of Position Automatic/Manual Mode No Bubble