... finder with remote control/electronic key finder/remote control key finderOne Romote control matches 3 receivers,which are ... battery included)Battery:1pc CR20322)Transmitter is a Remote control,stick to teh wall.Size:120* ... dee...),and push the button'A'on the Remote control,LED on,keychain will stop beep ... lost keys,push the corresponding button on the Remote control,and the keychain will sound alarm, ...