Just FYSA:
I managed to bust my LaserMax UNI-IR a couple months ago.
Now when I first cut it on, it will turn on at full power for a couple of seconds, and then the power will drop to almost nothing, until it gradually starts fading until you can't see the dot at all. Changing batteries and tinkering have been no help.
I will probably try to contact LaserMax about repairing it sometime in the near future, but I'm not terribly concerned about it.
I am notoriously hard on equipment and break everything I get my hands on. Consider that I purchased the UNI-IR used and paid around $100 or for it, it has served me well for several years, and while I will try to get it repaired, I am very confident that I got my $100 out of it.
While not a full service-LAM, I never expected it to be, and it was a nice little unit that did what I asked it to. Buying new will obviously cost a little bit more, but also comes with warranty and a much less variable provenance than buying new.
Needless to say, I don't think anyone expects a $150 laser to be anywhere as durable or functional as a $1,300 LAM, and they won't last forever if you abuse them
, but I would still buy another if LM can't fix this one.
Long story short, the UNI-IR is, IMHO, a great, serviceable laser for the price, but make sure you're managing your expectations. Mine was a beater/loaner that mostly came out when I was shooting with someone without their own stuff, but it saw rain, swamps, SC summers and humidity and WV winters before giving up.
~Augee