The DEWALT DCE088D1R Self-Levelling Cross Line Laser projects crossing horizontal and vertical lines. Fitted with a locking pendulum to help prevent damage to internal components. Its rubberised overmould absorb knocks, protecting the components from damage. The integrated magnetic, pivoting base has a 1/4in thread. IP65 rated, against projected water and dust damage. Supplied with: 1 x 12V 2.0Ah Li-ion Battery, 1 x Charger, 1 x Ceiling Bracket and 1 x Kitbox. Specification Laser Class: 2, Level Accuracy: +-3mm@10m. Self-Levelling Range: 3°. Visibility Outdoor/Indoor: 20m (50m with detector) Thread: 1/4in.