G2 Pro Compact Green Laser Pointer
- Green · 532 nm
- 1 mW
- 16340
- Compact
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Want to point at something far away – a roof tile, a tree on the far side of the field, a peak on the horizon? Then you need the right colour and realistic expectations. Here is what a class 2 laser pointer reaches outdoors, and how to get the most out of it.
The rechargeable green laser pointer most of our customers choose
All our lasers have the same class 2 output up to 1 mW. What makes the difference outdoors is the colour, because the eye is far more sensitive to green than to red or violet. That is why a green laser pointer is the only sensible choice for long range use.
| Situation | Green 532 nm | Red | Violet 405 nm |
|---|---|---|---|
| Indoors | 30 m+ | 30 m | 20 m |
| Daylight | approx. 100 m (shaded surface) | approx. 30–50 m | approx. 10 m |
| Dusk | approx. 300 m | approx. 100–150 m | approx. 50 m |
| In the dark | approx. 1 km | approx. 300–500 m | approx. 200 m |
For outdoor work we recommend a rechargeable green Pro model. The G3 Pro is the all-rounder with an 18650 cell and two safety keys. The compact G2 Pro fits a jacket pocket on a walk or a site visit. The G1 Pro adds a removable pattern lens. Prefer AAA batteries? The X1 green laser pen has the same green dot in a pen format.
Typical outdoor uses: pointing out damage on a roof or gutter to a roofer, showing a route or landmark on a hike, guiding a team on a large site, moving birds on at dusk (see laser pointer for scaring birds) and showing stars on a camping trip (see laser pointer for astronomy).
When you show someone a distant object, stand side by side so you both look along the same line. Put the dot on something nearby first, then walk it slowly towards the target so the other person can follow. Switch off between explanations: a dot that keeps wandering is confusing, and it saves battery.
You will find lasers online promising many kilometres. They are higher-power lasers that are not intended for sale to the public in the UK, and they can cause permanent eye damage in a fraction of a second, even by reflection. A class 2 green laser shows a dot at approx. 1 km in the dark, which covers almost every practical job. More in our class 2 brightness guide and how far can a laser pointer go.
Outdoors the beam travels a long way, so check what is behind your target. Never aim across roads, at vehicles, aircraft, people or animals' eyes, and avoid windows, water and metal that reflect. Shining a laser at a vehicle or aircraft is a criminal offence in the UK. See laser pointer safety.
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