UNI-T LM550G-LD Laser Leveler
The UNI-T LM550G-LD Laser Leveler carries an immediate sense of precision and rigidity. Its housing is compact yet solid, with clean edges and a design that suggests it can be mounted, set down, or carried without fuss. The front face is dominated by line-projecting windows, lens covers, and indicators the parts that actually shape light into plane levels set flush in a body that looks engineered to stay aligned even with repeated use. The color scheme, materials, and finishes come together to give an impression of professional quality rather than a budget tool.
Turning it on, the laser beams appear with sharp clarity; the horizontal and vertical lines cast are easily distinguishable, with bright green light that feels vivid in daylight as well as under softer lighting. The unit stabilizes quickly when placed on a surface, letting the user see cross-lines forming almost immediately. There is a tactile feedback from buttons or switches when engaging line modes or adjusting positions, reinforcing the sense that the device has been built with actual hands-on usage in mind. It doesn’t feel delicate rather, it communicates that it can repeatedly generate straight lines without drifting.
In use, the LM550G-LD feels like a companion for precision layout work. The projected lines intersect cleanly, giving visual references that make alignment or leveling tasks straightforward. Its form and controls are straightforward, avoiding extra ornamentation in favor of utility. Even when moving it around, the device gives the sense of reliability: the lines stay level, the setup remains stable, and the visual layout is clear. Overall, it strikes a balance between ruggedness and refined optical output built to be trusted where straight, plumb, and level matters.
Features:
- High visible laser
- Self leveling
- High-capacity Li-ion battery
- Simultaneous charging and power supplying
Specifications:
| Specifications | LM550G-LD |
| Display type | Green LD |
| Laser type | 4V1H |
| Laser points | 6 |
| Laser wavelength | 510~515nm |
| Light source | ≤1mW |
| Laser class | 2 |
| Expanded Angle | H130°/V110° |
| H/V accuracy | ± 3mm@10m |
| Self-leveling range | 3° (±0.5°) |
| Self-leveling method | Gravity pendulum magnetic damping |
| Self-leveling time | ≤5s |
| Working distance | Line 20m, point 25m@300lux |
| Operating time | >5h (all lasers on) |
| Operating temperature range | -10°C to 40°C |
| Storage temperature range | -20°C to 60°C |
| General Characteristics | |
| Power | 3.7V Li-ion battery 4000mAh |
| Product net weight | Around 1kg |
| Product size | 190mm x 132.5mm x 127mm |
Applications:
- Construction & Renovation.
- Interior Design.
- Electrical & Plumbing.
- Framing & Carpentry.
- DIY Projects.
Package Contents:
- 1x Safety goggles
- 1x Adapter
- 1x Mark ruler
- 1x Li-ion battery
- 1x Strap
- 1x English manual



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