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 & plusmn 3mm @ 10m Laser Class 2 Thread 1/4in and 5/8in This DEWALT DCE088NG18 Cross Line Green Beam Laser is supplied as a Bare Unit - No Battery or Charger. Supplied with 1 x Laser Target, 1 x Wall Mount Bracket and 1 x TSTAK Compatible Box.