This laser projects a 360° self levelling line, which is ideal for setting out It features an automatic self levelling, locking pendulum and no pulse diode A vertical line forms a cross in front of the unit Comes complete with a photo elevating tripod and a handy adjustable wall mount Range is 20m or 10m radius Accuracy is 4mm @ 10m IP54 rated Class, laser 2 IP rating IP54 Line accuracy 4 mm @ 10 m Range 20m(10m radius) RoHS Compliant NA Self levelling range Automatic Levelling °