●Project four vertical lines, one horizontal line and one plumb-down beam
●Laser cross to the ceiling and wall
●Self-leveling, visual & audible alarm when out of level
●360 rotatable and also fine-adjustable in level
●Tribrach is fine-adjustable in level
●Able to be connected with the tripod or elevator tripod by 5/8″thread

Beam:  1V 1H
Plumb Beam:  N/A
Laser Wavelength:  635nm
Laser Class:  Class Ⅱ
Maximum Power Output:  ≤1mW
Leveling Accuracy:  ±1mm/5m
Self-leveling Range:  ±3°
Working Range:  7~10m indoors,30m radius with laser detector
Power Supply:  3 AAA batteries
Operating Temperature:  -10℃~+45℃