Spectra Precision LL300N-4

The automatic, self-leveling Spectra Precision® LL300N Laser Level is the most rugged laser level available, tough enough to handle a wide variety of general and concrete construction applications. Even in harsh job site conditions, the LL300N delivers consistently reliable and accurate performance, enabling you to work faster and smarter. Kit includes Q103311 NiMH rechargeable batteries, and a 95720-00 Worldwide charger.
Manufacturer: Spectra Precision
Manufacturer part number: LL300N-4
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Features & Benefits

  • Available with a choice of system case (with receiver, tripod and choice of grade rod) or small carry case with receiver and clamp.
  • Fully automatic self-leveling provides fast and accurate setup
  • Rechargeable battery pack or alkaline batteries keeps the unit working with no downtime due to power loss
  • Optional RC601 remote control allows easy grade matching using the remote control from rod position
  • 1650 ft (500 m) operating diameter
  • Single-axis manual slope mode with ‘cross-axis’ self-leveling allowing grade matching for basic slope work, while maintaining accuracy in the cross-axis
  • Built to withstand severe drops of up to 3 ft (1 m) directly onto concrete, or up to 5 ft (1.5m) when pushed over on a tripod means less downtime and cost due to damage caused by an accidental drop or tip-over
  • Comes with a choice of HL450 or HR320 receivers allowing you to choose the best option to suit your application


  • Checking/setting elevations, concrete forms, footings, and foundations for small and medium sized jobs
  • Basic slope work such as driveways and ramps
  • Excavating, digging footings, and septic tanks


  • LL300N Laserlevel
  • Q103311 NiMH Rechargeable Batteries
  • 95720-00 Worldwide charger
  • HL450 Receiver
  • C45 Clamp for Receiver
  • Multi-language Operating Manual
  • Carrying Case

Technical Data

  • Leveling accuracy *1,3: <± 15 arc seconds, <± 2.2 mm/30 m ( <± 3/32in./100 ft)
  • Rotation: appr. 600 rpm
  • Operating Range (Diameter)*1,2: 500 m (1640 feet)
  • Laser type: red diode laser 635 nm
  • Laser class: Class 2, <3.4 mW; t< 0.25 seconds
  • Self-leveling range: approx. ± 8% (approx. ± 4,8°)
  • Leveling time: approx. 30 sec
  • Leveling indicators: LED flashes
  • Laser beam diameter *1: approx. 8 mm at the laser
  • Operating range using remote control: up to 30m (100 ft)
  • Power Source:: 4 x D-cell NiMH or alkaline batteries (LR20)
  • Operating temp.: -20° C ... 50° C (-4° F...122° F)
  • Storage temp.: -20° C ... 70° C (-4° F...158° F)
  • Tripod attachments: 5/8 x 11 horizontally and vertically
  • Weight: 2,7 kg
  • Low voltage indication: flashing/shining of the battery indicator
  • Low voltage disconnection: unit shuts off
  • *1) at 21° Celsius
  • *2) under optimal atmospheric circumstances
  • *3) along the axis