Key locator whistle and flashlight.
 
An ultrasonic chip in this small 2 ½ " X 1 ½ " key chain unit will respond to your whistle by beeping. Can also be used on TV remotes, portable phones, and glasses. Has a mini flashlight to help you find the keyhole in the dark. The receiver has a range of 15 feet. It uses 2 replaceable button cell batteries (included).
   
 
Price: $10.95 each 
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