A variable RPM allows the user to set the laser to the speed that provides the optimum visibility. PRODUCT SPECIFICATIONS: With the included tinted glasses; detector with 9V battery and clamp and hard-shell carrying case; this Rotary laser beam kit will get your jobsite up and running.
Perfect for small jobsites, this rotary self levels in the horizontal plane and manually levels in the vertical plane. The rotary also features an illuminated vertical vial and adjustable rotational speeds of 200, 400 or 600 RPM.Accuracy is never a problem thanks to the visual and audible alarms that alert you when the rotary is beyond its leveling range and the locking pendulum that protects the inner pendulum during transportation. With the included tinted glasses, detector with 9V battery and clamp and hard-shell carrying case, this kit will get your jobsite up and running! For a more complete leveling setup, also consider Johnson's 40-6517 rotary laser system.