Yale YDD324 has three access solutions, PIN code, RFID card, Key override for your convenience.
Keypad can be seen only when you touch the screen with your palm.
Operation Status Notification
Whenever any operation is made, the keypad informs you what is happened through different alignment of the numbers.
Missing Key Invalidation
Once you lose your card key, it has no validation as long as you re-register rest of your card keys.
The Yale series automatically locks the door after checking it is properly closed (Manual operation is also available)
Alarm (Break/ Damage / Fire)
80dB alarm goes off if anyone attempts to damage the lock or force the door open, or if anyone attempts to damage the lock or force the door open, or if the lock detects over 60 degree celsius.