Magicfly® "Poussah" Whistler Keychain Key Finder Locator Sound objects (keys, wallets ...) - 1 Transmitter + 3 Receivers - Color White (Electronics)
This locator comes with 3 key chains, 3 mini rings and fasteners 4 batteries LR2032 flat. A battery for transmitter and one for each key chain. I had a little trouble inserting the batteries in the keychain as the colorful plastic part that unscrews