The DEWALT DCE088 Self-Levelling Cross Line Green Beam Laser is a multi-voltage XR power tool, compatible with both 12V and 18V Li-ion batteries. A green beam laser diode provides full brightness for visibility and extended working range. It has a variable blink sequence for manual mode and full-time pulse mode allows use with a detector. Fitted with a fine adjustment knob for precision and accuracy. There is also a locking pendulum to help prevent damage to internal components. Specification: Working Range: 30m (50m with detector)Accuracy: ± 3mm @ 10mLaser Class: 2Thread: 1/4in and 5/8in