The DEWALT DCE089D1G Self Levelling Green Multi Line Laser projects 3, 360 self levelling, horizontal and vertical lines. It has a variable blink sequence for manual mode and a full-time pulse mode for use with detector to maintain full brightness and visibility. The locking pendulum helps to prevent damage to internal components and there is an integrated magnetic pivoting base with a 1/4in thread. The wear resistant, overmold is rated to IP65, against projected water dust damage. It has also been drop tested to 2m Features x3 360 Self Leveling Lines Projects bright horizontal and vertical lines. Variable blink sequence for manual mode Working range : 30M (60M w/ detector) Accuracy : +/-3mm@10m Full-time pulse mode allows use with detector maintains full brightness for .