line laser : 1,Electronic self-leveling, 2,wide leveling range, 3,high precision and stability 4.Able to be connected with Specifications ... Weight: 2.2 lbs. (1 kg)Features and FunctionsProject one vertical line, two horizontal lines, up & down plumb ... and the pulse laser, and compatible for both indoor and outdoor applicationsThe instrument is 360° rotatable'and also fine-adjustable in angleAble to ...