Self Levelling Laser Marker

Features and Functions
Quickly self-leveling, and laser flashing and audible warning when beyond leveling range
Able to project one laser cross-line in the front and one 90 degree vertical line
Easy user calibration from outside the housing
Low voltage indication with power LED flashing
Scaled wall mount, which can be easily hung on wall or installed on tripod
Convenient rotary base-type switch can power on or power off the instrument and simultaneously release or lock the compensating system.