The listing, keychain finder (whistle) has ended.
Ever lose your keys and have no idea where they could be? Well here is the solution. This keychain has a beeper that goes off when you whistle. If you lay your keys down in a hurry or just misplace them , all you have to do is whistle and then listen and look a beeping will go off and a red light will blink so you can find your keys, or whatever you put on the keychain. batteries are already installed. All you have to do is pull the little plastic tab out when you get your keychain and you're ready.