DEWALT DCE089D1G BARE UNIT BATTERIES NOT INCLUDED 
Tough self-levelling multi-line laser with 3 beams and integrated magnetic pivoting base. With bright green beams for excellent visibility, battery charge indicator and variable blink sequence for manual mode. With locking pendulum to help prevent damage to internal components. Uses 12V XR Li-ion batteries. Up to 14 hours run time with 2.0Ah battery and 1 beam.