The Purrfect Cat Mood Detector. The collar that tells you what mood your cat is in. Attach one of these clunky plastic doodads to any of my cat friends and I’ll tell you what mood they’ll be in without even looking. Oh yes I will! $14.95.
This stylish new collar charm uses proprietary technology to show you when your cat is in a good mood! It’s simple: Purrfect Mood Detector’s tiny microphone picks up your cat’s purr and illuminates its collar-mounted LED light, letting you know your feline companion is in a good mood. The Purrfect alerts you to all your cat’s purrs, even if they are inaudible!