If you put them outside, make sure they are mounted in a truly inaccessible area. Mine was knocked down by someone with a long stick....right before he stole my air conditioner
Leslie Hospital Employed Physician Who Misses The Old AC
"It's a good thing for a doctor to have prematurely grey hair and itching piles. It makes him appear to know more than he does and gives him an expression of concern which the patient interprets as being on his behalf. "