Johnson's 40-6611 Self-Leveling 360 and deg; Laser displays a full horizontal line 360 degrees around the tool plus a plumb layout line that intersects the 360 to help you layout your jobsite quickly and accurately. With the included magnetic target magnetic bracket and tinted glasses you'll have everything you need to get your job up and running Features360 and deg; horizontal laser line and 1 vertical linePendulum lock protects laser during transportVisual out-of-level indicatorManual mode for use at any angle1/4-" - 20tripod thread for use with most common tripodsIdeal for carpentry tile and moreSpecificationsLeveling Method: Self-Leveling PendulumLaser Wavelength: 635nm 10nmLaser Classification: Class IIMaximum Power Output: 1mWAccuracy: 3/16-"/30'Working Range: Up to 50'Self - Leveling Range: 4 Power Supply: 2 -"AA-" Alkaline Batteries Included Battery Life: 12 Hours continuous useWorking Temperature: 32 F to 104 FIP Protection Class: IP 50Dimension: 2.3-" x 3.6-" x 4.2-"Weight: 4.08 lbs