The DEWALT DCLE34021 XR Compact Cross Line Green Laser delivers an impressive 55 metre working range. Class-leading green beam technology provides outstanding visibility, even in the toughest job site environment. It has a drop ceiling and tripod attachment making it ideal for a wide variety of jobs. Fitted with a pendulum Lock to help prevent damage to internal components. A convenient 'last mode' feature enables the unit to recall the last mode setting, when the pendulum lock is switched on. Specifications: Laser Class: 2, Level Accuracy: 3mm@10m.Self-Levelling Range: 4.Working Range: 55m (100m with detector).Levelling Time: (seconds) 5s.Thread: 1/4 & 5/8in.IP Rating: IP54.