You need to make sure it's in a place where he won't be able to see it if he comes back. I can get one really small, and monitor things for you from my computer. But if he knows what's up and can just cover it up or break it, the whole thing's pointless.
private
You need to make sure it's in a place where he won't be able to see it if he comes back. I can get one really small, and monitor things for you from my computer. But if he knows what's up and can just cover it up or break it, the whole thing's pointless.