Add a secure locking system to your doors with the Alfred DB2S smart lock. It features a built-in RFID card reader with 2 RFID Tags included and it stores up to 250 pin codes and 250 unique cards to enable easy locking and unlocking. The Auto re-locking assures that your door is never left open while the Alfred Connect V2 Wi-Fi bridge compatibility lets you monitor the lock activity remotely.