Easy To Use & Impact Protected Rotary Laser With Maximum Runtime! Designed For Jobsite Conditions! The Milwaukee M18 Horizontal Rotary Laser 610m (2000') is ideally suited for exterior layout projects. Getting started with this laser is easy thanks to its simple, one-button setup, and it has been designed for harsh jobsite conditions, withstanding up to a 1.5m drop. Featuring built-in manual masking shutters, users are able to block the laser in any desired direction, preventing interference with other lasers on site. The Rotary Laser also features our ONE-KEY technology, for tool tracking and easy inventory management. The accompanying detector will detect the laser at a range up to 610m (diameter) and has built-in strobe light protection, reducing interference and downtime on the jobsite. With a high level of accuracy, this laser makes long-distance measuring easier. This is a Skin/Tool Only. Batteries & Charger are Not Included.