Laser Level With Receiver Bosch Professional GRL 400 H Rotary Laser (One Button Control Panel, Laser Receiver LR 1, Level Plate GR 2400, Tripod BT 152, Max. Working Range: 400 M, In Craftsman's Case 400m Diameter Laser Level With Receiver IDEAL FOR THE JOBSITE: Withstands harsh conditions of any outdoor jobsite thanks to the IP56 water and dust protection ManufacturerBosch Professional. PatternRed Laser. UseProfessional. Style Case LR 1. MaterialGlass. Battery typeAlkaline. Product weight1.8 kg EASY TO USE: One-button keypad, Electronic Self Levelling functionality and convenient battery tray Bosch GRL 400 H Rotation Laser, LR1 Reciever, Tripod APPLICATIONS: Ideal for outdoor levelling, applications in building construction, civil engineering and landscaping PRECISE RESULTS: Consistently accurate results with ± 2,4 mm at 30 m levelling accuracy and an ADS shock warning system View and Download Bosch GRL 400 H Professional original instructions manual online. GRL 400 H Professional laser level pdf manual download. Also for: Lr 1 professional The laser beam stops emitting to prevent from levelling mistakes. What does IP 56 mean The GRL 400 H rotation laser and the LR 1 receiver have IP56, which means that they are protected against dust and water projection. Why does the GRL 400 H only operate with one speed? The tool has a constant speed of 600 rpm as it is optimized to work with the LR 1 receiver in distances up to 400 m (diameter)