Dewalt DCE088D1G18 Self-Levelling Cross Line Green Beam Laser 12 18V 2.0Ah Kit Multi voltage XR power tool battery platform (18V AND 12V compatible) for extra long run time and the convenience of rechargeable power tool batteries Working Range: 30m (50m with detector) Accuracy: +/-3mm @ 10m Fine adjustment knob for precision and accuracy Green beam laser diode provides full brightness for visibility and extended working range Variable blink sequence for manual mode Full time pulse mode allows use with detector Locking Pendulum to help prevent damage to internal components Battery indicator Supplied with: Tstak Box 18v 2ah Battery Charger Laser Target Wall Mount Bracket