Description
PRODUCT DESCRIPTION
The Milwaukee 3701-21 M18 Red Exterior Rotary Laser Level Kit delivers fast, accurate leveling and alignment for concrete work, framing, foundations, site layout, masonry, and general construction. Designed for professional contractors, this self-leveling rotary laser provides a working range of up to 2,000 feet with the included receiver, helping crews establish level reference lines quickly and accurately across indoor and outdoor jobsites. From setting forms and checking elevations to installing walls and aligning structural components, the 3701-21 improves layout accuracy while reducing setup time.
Built for demanding construction environments, the reinforced housing withstands drops up to 1.5 metres and tripod tip-overs up to 2 metres, while the IP66-rated design protects against dust and water. Simple one-button operation allows users to get to work quickly, while built-in manual masking shutters help prevent beam interference when multiple laser crews are working nearby. The included receiver features an easy-to-read backlit display with strobe light protection to minimize interference, and ONE-KEY compatibility helps contractors track and manage equipment across multiple jobsites.
FEATURES
• Withstands 1.5m Drops – Reinforced Housing
• Prevents Beam Interference: Masking Shutters
• One-Button Setup
• 3/32 In. Accuracy @ 100 ft.
• 70 Hours of Run-Time
• Laser Receiver Reduces Interference – Strobe Light Protection
• Laser Receiver Features Easy Read Backlit Display
• 2000 Ft. (Diameter) Working Range w/Receiver
• 600 RPM
• Low/High Bump Sensitivity Mode
• IP66 Rated Protection
• 5/8-11 In. Threaded Insert
• ONE-KEY™ Tracking and Tool Management
• Fits All M18™ Batteries
DESIGNED FOR PROFESSIONAL LEVELING and LAYOUT
• Establishes accurate level reference lines for concrete work, framing, masonry, foundations, and general construction.
• Helps contractors complete layout work faster with simple one-button operation and long working range.
• Manual masking shutters reduce interference when multiple rotary lasers are operating on the same jobsite.
• Built to withstand harsh weather, dust, impacts, and demanding daily construction use.
• Delivers dependable cordless performance as part of the Milwaukee M18 system.
INCLUDES
(1) M18™ Red Exterior Rotary Laser Level (3701-20)
(1) Red Exterior Rotary Laser Receiver (3711)
(1) M18™ REDLITHIUM™ XC Extended Capacity Battery (48-11-1828)
(1) M18™ & M12™ Multi-Voltage Charger (48-59-1812)
(2) AA Batteries
(1) Carrying Case










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