Self-Leveling Rotary Laser Level can be used for installing cabinets, tile, decks, fences and drop ceilings, and for accurately framing walls and concrete projects. A locking mechanism protects inner pendulum during transport. Visual and audible alarms when laser drifts beyond leveling range. Dust and rain resistant Leveling Type: Self (pendulum), Exterior Range (ft.): Up to 2,000, Dimensions L x W...