Dim & undependable - do not buy - Sightmark OPMOD 1.0 Limited Edition Green Universal Magnetic Laser Boresight

Tried this out at the range this morning. It is bright out, but not really bright. You Cannot see this laser beam. We saw it reflected at 35 yards against shiny coated metal, but it doesn't show up on paper. The battery is loose, this thing turns off by itself. You put it on the end of your barrel, and you can't find the beam because it turns off in addition to being too weak. If this works at all, it will only be in low light...