Patented Diamond-Cut Beam Splitter - Single diode projects all points for superior accuracy3-Beams: Plumb, Level, and Square Point Projection - Accurately transfers and aligns plumb, level, square, and grade pointsPrecision VialsV-Groove - Aligns unit with pipesLaser Reference EdgePrecision-Crafted Aluminum Body - Anodized and machined for superior accuracy and durabilityOn/off SwitchLimited 3-Year WarrantyVersatile Positioning Capability thanks to precision bubble vials, leveling base, V-groove, magnets, 1/4 in. x 20 tripod mount, alignment shoulders, positioning tip and strap slots