The DEWALT DCE088D1G Self-Levelling Green Cross Line Laser projects bright crossing horizontal and vertical lines. It has a variable blink sequence for manual mode and a full-time pulse mode, for use with detector whilst maintaining full brightness for visibility. The laser is fitted with a locking pendulum to help prevent damage to internal components. 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 Kitbox. Specification Laser Class: 2, Level Accuracy: plusmn;3mm@10mSelf-Levelling Range: 4deg;Visibility Outdoor/Indoor: 30m (60m with detector)Thread: 1/4in