The unit is single door multifunction standalone access controller or a Wiegand output keypad or card reader. This unit supports up to 2000 users in either a Card, 4 digit PIN, or a Card + PIN option. The inbuilt card reader supports 125KHZ EM cards,13.56MHz Mifare cards. The unit has many extra features including lock output current short circuit protection, Wiegand output , and a backlit keypad. These features make the unit an ideal choice for door access not only for small shops and domestic households but also for commercial and industrial applications such as factories, warehouses, laboratories, banks and prisons. Indoor, autonomous key lock with RFID reader - Mod. 90ATLOKRM-103 Autonomous operation of the device allows the user to: Open by using a card or PIN code. Remember stored cards or PIN codes. Signaling left the door open. Acoustic and optical signaling. Administrator capabilities are following: Programming by using the keypad. Adding a new card by using the keypad. Download Manual