Batteries installed easily. That was the best part. Why it has such an annoying beep apparently designed to make your cat squirm and run evades me because if it was doing its job as described, it would make a small crackle sound when it encountered an enemy flea so no beeping would be needed. Mine, however, must have been installed so I would remember what a cheap lousy product I have just wasted my money on as it worked for 10 minutes before just making me catatonic with that stupid beep. Am returning it. Lousy bulb head thing is also made of cheap plastic and should be sold at a 99 cent store. Reminds me of those electric fly swatters that claim to do the same thing to flies using a miniature tennis racket that can only zap blowflies and then shorts out. Phony.
Bottom Line: No, I would not recommend this to a friend
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