***4 horizontal and 4 vertical green laser lines, one plumb down laser dot 
***Pulse laser, compatible for both indoor and outdoor applications
Electronic auto-leveling, warning when beyond auto-leveling range
***Design with shockproof rubber cover
***The base rotates by 360° freely and does fine adjusting
***Super useful tool for home remodeling like floor laying, tile laying, ceiling, picture hanging, staircase, doors and windows, painting, furniture installing, etc.