Bosch 50 ft. Self-leveling Cross-Line Red-Beam Laser with Multipurpose Magnetic Mount, two AA Batteries Included "GLL30 Replacement".

The integrated multipurpose laser mount features strong magnets and allows the user to mount the laser virtually anywhere. Turn the laser to "click" into place, helps to protect the laser glass from dust and debris during transportation and storage. Turn the laser to "click" into place, helps to protect the laser glass from dust and debris during transportation and storage. Work with alkaline batteries or rechargeable Lithium-Ion Battery (sold separately) for less downtime on the job