Spectra Precision LL300N-2 Self-Leveling Rotary Laser Kit
- 1,650 ft (500 m) diameter range, one-person elevation control
- 3/32 inch accuracy, automatic self-leveling red beam
- IP66 sealing against weather and dust
- 3 ft (1 m) drops onto concrete survived, 5 ft (1.5 m) tipped on a tripod
- HL450 digital readout receiver with C45 clamp
- Q104025 tripod and GR152 inch grade rod in the kit
- 4 D-cell alkaline batteries included, hard system case
- 5 year manufacturer warranty
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A complete self-leveling rotary kit that lets one person set elevations on concrete and site prep jobs. It ships running on disposable alkaline cells, so the rechargeable pack the listing mentions is a separate matter.
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ASIN: B000ET20PKModel: LL300N-2Category: Construction Levels
Overview
Not a handheld line laser, the Spectra Precision LL300N-2 is a rotary laser kit for grading and concrete work. A self-leveling head spins a red beam across the site, and the bundled receiver clamped to a grade rod reads elevation so one person can check grades.
Everything a grading crew needs arrives in one hard case, from the laser to the receiver, tripod and rod, so setup starts on arrival. The head levels itself and the guarded rotor shrugs off drops onto concrete. The listing never mentions slope or grade matching, so plan on flat elevation work.
Who it's for
Concrete pours, footings and general site preparation are the jobs this kit targets, with a receiver and rod for one-person elevation checks. Interior trim carpenters and crews that must dial in a slope should look at a different laser.
Pros and cons
- Self-leveling setup with one-button operation
- IP66 sealing for rain and dust
- Survives drops onto concrete
- Receiver, tripod and grade rod included
- Kit ships with disposable alkaline cells
- Slope or grade mode not listed
- Listing names conflicting rod and tripod models
Performance notes
Elevation readings come from the receiver catching the spinning beam on the rod, so a steady tripod and a firmly clamped receiver govern repeatability. Automatic leveling settles the beam after setup, and the metal sunshade and sealed housing let it keep running through rain, dust and knocks.
Specifications
| Brand | Spectra Precision |
|---|---|
| Model | LL300N-2 |
Frequently asked questions
What comes in the Spectra Precision LL300N-2 kit?
The LL300N laser, the HL450 receiver with clamp, 4 D-cell alkaline batteries, a multi-language operating manual, a tripod, a 15ft grade rod in inches and an all-in-one carrying case.
Does the LL300N-2 include a rechargeable battery?
No rechargeable pack is in the box list. This is the alkaline kit; the listing says the laser can also run on a rechargeable NiMH pack, which would be a separate item.
Which tripod and grade rod come with the LL300N-2?
The title names the Q104025 tripod and GR152 inch rod. The manufacturer text also mentions a 2161 tripod and a 10-Inch grade rod, so confirm the exact pieces with the seller.
Is the Spectra LL300N-2 a line laser for indoor layout?
No. It is a rotary laser level aimed at general concrete and construction site preparation, read with the HL450 receiver on a grade rod.
How much training does the LL300N-2 need?
Operation is one button and leveling is automatic, so the listing says it requires minimal training.