The simple to use KS 5PG is a 5-point green beam laser level tool ideal for one person leveling, plumb, layout and squaring. Projects five 90º points for a wide range of applications. Features: Small, compact design Bright, highly focused laser points Self-leveling spot beams up to ± 6º Easy access battery compartment Includes UM1P multi-mounting device for quick positioning of the laser beams Applications: Level, 90° layout, square, and plumb Layout and squaring interior walls and drywall track Point transfer Drop ceiling or acoustical ceiling installation Cabinet & trim installation and finish carpentry. Accuracy: +1/4-in at 100 ft (3 mm at 30 m) Leveling: Leveling Type: Self-leveling Compensation: Magnetic Dampening with lock switch Leveling Range: +3º Beam: Number of Beams: 5 Laser Diode: 635 nm <1 mW Laser Hazard Class: Hazard Class 2 Operating Range: 100 ft (30 m) dependent on illumination of work area Environment: +14º F to 113º F (-10º C to 45º C) Power Source: Four (4) AA Alkaline Batteries Run Time (typical): 8+ hrs of continous use Dimension: 4.13 x 1.65 x 2.95-in (105 x 42 x 75 mm) Weight (no batteries): 0.6 lb (0.27 g)