... protectHigh DB alarm and locking system if error fingerprint input by 5 times.Fingerprintlock Quick recognizing Recognition ... lock,B+ safe grade,patented by KerongID chip keyKey with ID chip,configurable, deletable, anti lostHidden, invisibleDon't ... panel, menu management,IPONE wayVoice promptSynchronously English voice prompt with operation,sound volume adjustable, loudspeaker mute, buzzer can ...