"The Rotary Laser Level features self-leveling in the horizontal plane and manual-leveling in the vertical plane with 90 split beam. Illuminated vertical vial. Visual and audible alarms when beyond leveling range. Accuracy 1/8 in./50 ft., Self Leveling Range 3, Rotation Speed 200, 400, 600 rpm Variable, Laser Output Locking mechanism protects inner pendulum during transit"
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