The Pacific Laser Systems PLS 360 Laser Level is a fully self-leveling laser tool, providing you with a continuous 360 horizontal line of reference. The PLS 360 offers one button setup for indoor-outdoor applications. Unlike rotary lasers with sensitive moving parts, this compact, bright and durable tool has no complicated features or multiple knob adjustments. It saves time and simplifies your workday with the press of a button. U.S.A. Accuracy 1/8 in. @ 100 ft., Dimensions L x W x H in. 3 1/8 x 5 x 4 1/2, Battery Included No, Battery Life 35 hrs., Case Included Yes, Exterior Range ft. 100, Interior Range ft. 100, Self Leveling Range 8, Leveling Type Self, Battery Type 3 D alkakine. Fully self-leveling laser tool One-button setup Accuracy 1/8in. @ 100ft. 3mm @ 30 meters 100-ft. working range 8 leveling range Operates over 35 hours on 3 D batteries Includes ceiling/wall bracket, carrying case and manual