The stanley green beam x line laser has a robust rubber over moulded body that is ip54 rated against splash and dust damage the laser has intensely bright green beams with a pulsed output switch for use with above line detector the out of level indicator will make the laser lines flash onoff as a warning it comes with 14in and 58in thread mounts for secure mounting and stabilisation on various job sites fitted with a magnetically damped pendulum that auto self levels it will auto level on surfac