Plumb and Level Point Projection - Accurately transfers and aligns level, plumb, 90-degree and grade points. Patented Diamond-Cut Beam Splitter - Single diode projects all points for superior accuracy. Smart Pendulum Leveling System - Self-levels, senses and indicated out-of-level condition, locks when switched off. Robust Over-Molded Housing - Water and Dust Proof to ensure years of dependable operation. Integrated Reference Lines - For precise positioning of tool and transfer of points. Pocket-Sized - Only 4-1/8 in (105 mm) tall; pouch fits on tool belt. Easy Access Battery Compartment. Easy Field Recalibration - Maintains accuracy and prevents downtime. Limited 3-Year Warranty. Multipurpose Attachment - Position and mount with magnets, strap or threaded mounts (1/4-20, 5/8-11).