The DEWALT DCE825NG18 Spot & Cross Green Laser is compatible with 12V and 18V XR Slide Type Li-ion Batteries that provide extra-long run time and the convenience of rechargeable power tool 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 a full-time pulse mode allows use with a detector. Fitted with a locking pendulum that helps to prevent damage to internal components. Supplied with: 1 x Laser Target, 1 x Wall Mount Bracket and 1 x TSTAK Compatible Box. Supplied as a Bare Unit - No Battery or Charger. Specification: Accuracy: ± 3mm @10m Working Range: 30m (50m with detector) Thread: 1/4in and 5/8in Laser Class: 2