Just had this thing out 3 or 4 times in the past 2 weeks, battery is still good, zero has held, probably a 40 degree temp extreme is all but everything has held solid. I shot 40 rounds with it today (after pistols) standing unsupported offhand at 100 yards shooting at 2 half size IPSC targets and put 35 of them on target while double tapping. Not great shooting but I'm pleased with the EOThingie so far.
Not recommending them, just keeping my results up to date.
To be clear, if your shooting at a 50% IPSC you'll probably be happy with it. It's when you require hitting small targets that the issues show up.
