... distance, OEM service provide, custom logo Electronic key finder,Key FinderKey FinderFunction:Match:Turn up the keychain's ... ...”), and push one button on the remote control key, keychain's will stop beep after matching.Find ... press the matching button on the remote control key(you should press the matching button when the ... : 433.92MHZDistance: 25 -40metersSound: 90DB Electronic key finder,Key Finder