... access control with built-in back-up battery, access control interface for electric lock, door sensor, exit button. Fingerprint access ... or smart card readerContact signals for lock, door sensor, exit button, alarmSDK available for OEM customers and ... door sensor, exit button, alarm, door bellStandard functions: workcode, SMS, DLST, Self-Service Query, Automatic Status Switch, back-up batteryOptional ...