Great value - VISM Micro Greendot Laser Sight w/ Integrated Red Laser VDGRLB

I bought this as a back-up sight placed on an off-set mount for a S&W M&P 15-22. It mounted and zeroed quickly, dot was very bright, even in full sun. Has held zero through several range trips and over 300 rounds. Not sure if it would hold up well with a heavier recoiling rifle. Battery compartment is on the same dial used to select the different settings - if you only grip the outside edge you'll open the battery compartment instead of turn the unit on. The dot is fairly large and will obscure the target pretty good at ranges of 50 yards and beyond - but I was also getting 1/2 inch groups with it at 50 yards, so it definitely works. Great performance for the value - if it holds up over time it's probably worth 5 stars, at least as a target / practice optic.
Pros: Works as advertised, exactly what I expected
Cons: None

This review was written in the old system and had content requirements that are different than reviews written today.