KNOW YOUR LEVEL SYSTEM (See Fig. 1 & Fig. 2)This Craftsman Level System is a highly versatile tool.It can be hand-held, wall-mounted or leveled on a horizontal surface or tripodstand (sold separately). It projects a pulse laser'dot' that forms a linehorizontally or vertically. It is designed to rotate from a fixed position to markdesired horizontal and vertical dimensions in a 360 ° complete circle° When notrotating, the laser dot can be manually positioned by rotating the laser to anyposition_As a 2-beam level, it can be used to accurately determine square alignmentsuch as when laying concrete foundations, "squaring off" a deck or porch andwhen aligning fence and rail constructions. The Level System is equipped witha low battery alarm that starts beeping when batteries are low.This Level System is easy to use in every applications- from simple homedecorating projects to home construction° It will project a level horizontal orvertical 'line' that is accurate to +1/4-inch at 100 feet. (recommended usablerange is 50 feet)Fig.1 Laser EightapertureTop Viewi,,11,,,,i,, ,J ,,, ,,,,,,,i,l,,lluu ii .... i,TECHNICAL SPECIFICATIONSRecommended Use Indoors & Outdoors withlaser enhancing glassesLaser Diode Type Red Laser Diode 635nm-,665nmLaser Class,,,,,,,,,,,,,, ,, ,, Li JBatteryClass Ilia, maximumpower output <_2.5roW ,, ,, ,, ,,,, ,,,,,,, ,,,, , , ,2 "D" 1.5-volt batteries (sold separately)Scan Speed OlslowlmediumlfastOptimum OperatingTemperature Range 30°F to 104°F (-1°C to 40°C),,,, ,__ .................Accuracy +_1/4-in.at 100 ft. (recommendedusablerangeis 50feet)4