... 3.Various item color(pantone) 4.OEM design&fast delivery remote card key finder/electronic key finder/key ... :1pc CR20322)Transmitter is designed as a bank card size,easy to put in the wallet or ... ...),and push the button'press here'on the card,keychain will stop beep after matching Second:When ... ,push the corresponding button on the card,and the keychain will sound alarm within 1 second,alarm will ...