... 3.Logo can be cust key finder with remote control/electronic key finder/remote control key finder One Romote control matches 3 receivers,which are good ... will beep constantly(Dee...dee...),and push the button'A'on the Remote control,LED on,keychain will stop beep after matching ... want to find the lost keys,push the corresponding button on the Remote control,and the keychain will sound alarm,you can ...