Johnson Level 40-6526 Electronic Self-Leveling Horizontal Vertical Rotary Laser

Designed for the advanced laser user, this rotary laser is feature-packed to tackle any job - indoor or outdoor. It self-levels both horizontally and vertically, making vertical layout projects such as fencing, footings and drywall track quick and easy. Its electronically controlled dual-slope mode takes math out of the equation when checking grade or setting drainage. And the laser beam modes include dot, two adjustable line lengths and two rotational speeds (200 and 500 rpm).