Samsung Digital Door Lock SHS-P718LBK/EN Fingerprint Push Pull Two Way Latch Mortise English Version (Morise - AML320) [User access code] 4-12 digit number combination, capacit : 10 [RF ID] ISO 14443A type(13.56MHz), capacity : 20 (Works with any Samsung key tags, or cards.) [Door thickness] 38-80mm [Morise] AML320 [Power] DC 6V (AA Alkaline Bateries) X8 [Finger print] 100 fingerprints(max.), Push to enter from Outside and Pull to enter from Inside.