Yep, I use them. Have three homebrews that I run and they stay out pretty much from late July to January. Some are white flash, one is IR. Two are extended life cameras that can run for 6-8 weeks under heavy usage. I don't run them every week or anything like that, I just check them if I am out there anyways. They let me know what kind of buck I have a reasonable chance at, and can let me know what times I should (or should not) be entering or leaving my stands.