The ALARM LOCK Trilogy® electronic access control lock is a proximity-only lock with no keypad—accepts both prox cards and key fobs for access. Tap-and-add feature makes it easy to batch-add multiple ID cards with or without PC. PC programming/reporting for 40, 000 event audit trail. Maximum 2000 user codes. Fingertip programmable at vandalproof all-metal keypad. Using an electronic door lock helps eliminate the problem of lost keys and rekeying costs. Easily replaces most standard knobsets. Long battery life. Standard core. Nonhanded. Entry with key override. This listing is for each.