I will reply tomorrow with my results. I'd be so stoked to find these cameras to be useful. I was trying but I've messed with shutter, brightness amongst a few others that I could think of.
If I use a high powered 840 nm hunting light it becomes day out to 150+ marks with my bottom tier...
Unless I'm doing something terribly wrong, these things have absolutely zero low light capability and the picture is so grainy it looks like your watching a television from the 50's. I got 3 of these for 50 so I figured there had to be a reason but dang, I can't believe they retailed at 400 a...