The Stanley X3R Multi Line Laser projects 3 x 360 lines (1 horizontal and 2 vertical). It has a robust, easy to use design that is IP54 rated, protected against splash and dust damage. Fitted with a locking pendulum which provides angled cross lines for custom layout and a large open window for back line beam. Its pulse mode allows use with a detector for increased range. Supplied with 1 x Rechargeable Battery, 1 x Charger, 1 x Laser Target, 1 x Pair of Laser Glasses, 1 x Multifunction Bracket and 1 x Storage/Transportation Case. Specification Level Accuracy 0.3mm at 10m Self-Levelling Range&plusmn4 Working Range 20m (50m with detector) Power 1 x Rechargeable Battery Laser Class 2 Thread 1/4in & 5/8in