Milwaukee M18 Red Exterior Dual Slope 360° Laser Kit w/Receiver, Remote

Milwaukee M18 Red Exterior Dual Slope 360° Laser Kit w/Receiver, Remote

The Milwaukee 3704-21 M18™ Red Exterior Dual Slope Rotary Laser Kit is a high-precision, jobsite-ready laser system built for long-range accuracy, rugged durability, and efficient remote operation. With 1/16" horizontal accuracy at 100 ft and a massive 4000 ft working diameter with receiver, this laser is designed to handle demanding layout, grading, and alignment tasks with confidence. Featuring dual slope capability, remote control with duplicated display, and M18™ battery compatibility, it keeps you working faster and smarter—without the constant back-and-forth (your step count might finally go down for once).

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 3704-21
• Brand / Series: Milwaukee M18™
• Product Type: Exterior dual slope rotary laser level kit
• Accuracy: ±1/16″ horizontal @ 100 ft / ±1/8″ vertical @ 100 ft
• Working Range: Up to 4000 ft diameter with receiver
• Slope Capability: Dual slope adjustment (remote controlled)
• Rotation Speeds: 600, 900, 1200 RPM
• Remote Control: Duplicated display for full control and slope adjustments
• Receiver Features:
  • Automatic grade match
  • Strobe light protection (reduces interference)
  • Simplified menu navigation
• Durability:
  • Withstands 1.5M drops
  • Survives 2M tripod tip-over
  • Reinforced housing for harsh conditions
• Ingress Protection: IP66 rated (dust-tight and water resistant)
• Mounting Thread: 5/8″-11 threaded insert
• Bump Sensitivity Modes: Low and High
• Power System: M18™ REDLITHIUM™ compatible (200+ tool platform)
• Connectivity: ONE-KEY™ compatible for tracking and management
• System Compatibility: Works with all M18™ batteries

Ideal For

• Grading, excavation, and site layout requiring precise slope control
• Long-distance leveling jobs needing maximum range and visibility
• Crews who benefit from remote adjustments without stopping work
• Jobsites where durability, drop resistance, and weather protection matter
• Anyone who prefers precise results… instead of “that looks about level from here”