... --3 Buttons to find 3 different things. Decorated Button--no use,just for better outlookMatch: Turn up ... position,it will beep constantly("dee...dee..."),and push the button"A",LED on,keychain will stop beep ... off,Then turn on the 2nd keychain,and push button"B",keychain will stop beep after match,LED ... want to find the lost keys,just push the corresponding button on the card,and the keychain will ...