line laser : 1,Electronic self-leveling, 2,wide leveling range, 3,high precision and stability 4.Able to be connected with Specifications: ... : 2.2 lbs. (1 kg)Features and FunctionsProject one vertical line, two horizontal lines, up & down plumb beamSelf-leveling, and ... outdoor applicationsThe instrument is 360° rotatable'and also fine-adjustable in angleAble to be connected with the tripod by 5/8 ...