The CRL PLS3 Standard Spot Laser Tool is a Self-leveling, three-point, red laser, plumb dots and forward vertical laser level. Three bright laser points allow the PLS3 to be used anywhere on the job site for level reference and point-to-point plumb from floor to ceiling and has a working range of 100 feet (30m). Weighing only 12 oz. (.33 kg), this hand held unit operates on three AA batteries (included) for up to 30 hours of continuous use. The rugged rubber sleeve has been designed and tested to survive a one meter drop. It comes with a carrying pouch, floor stand, magnetic wall bracket, operating manual, and a full 3-year Best-In-Class manufacturer warranty.