Stability for outdoor viewing an often overlooked aspect to daylight and outdoor projector use is the stability of the projector.
Laser you can see in daylight.
I find them highly effective for target shooting but it s easy to depend on them rather than good sight alignment and control.
Neither is visible enough in daylight for rapid acquisition.
So one device s laser brightness is pretty much the same as another.
Lasers red or green are for dark targets in marginal light.
It s basically the same principle used by the laser card but instead of creating a light filter in a small localized area it creates a light filter across your entire field of vision.
Laser distance measure generally has a laser output of less than 1mw class 2.
Outside in full sun you will not be able to see the laser dot more than about 10 or so meters 30 feet.