S J Security Systems Pvt. Ltd. Manufactures Access Controller with Auto Power Reset. It is equipped with 256 KB non-volatile memory for 6,000 cards and 8,000 events. It is expandable with 4 MB flash memory for 15,000 card and 32,000 events. It has six operational modes - card only, card and PIN, keying only [by card number and PIN], auto operation mode by time zone, personalized operation mode [optional] and auto free access. It displays a warning message of "Full 99%" prompt on LCD display for collecting data. It features Auto power reset with watchdog timer and low power RTC design. S J Security Systems Pvt. Ltd. Offered Access Controller with Auto Power Reset has the data retention capability for ten years while power failure.