Projects plumb, level, and square points for precise positioning of tool and transfer of points for easy and accurate transfer and alignment of points. Integrated reference lines for precise positioning of tool and transfer of ports. Easy field recalibration maintains accuracy and prevents downtime. Pocket-sized at 4-1/8" tall and 1 lb (pound) - pouch fits on tool belt. Smart pendulum leveling system self-levels, senses and indicates out-of-level condition, locks when switched off. Accurately transfers and aligns, level, plumb, 90 deg (degree) square and grade points. Easy access battery compartment. Position and mount with magnets, strap or threaded mounts (1/4-20, 5/8-11). Up to 100' range. Includes multipurpose attachment, recalibration wrench, (3) AA 1.5V (volt) batteries, mounting strap, carrying case.