Fitur Digital Door Lock YALE YDR 4110:<br><br>PIN &amp; Finger Print<br>One-touch Fingerprint Verification Method<br>Voice Guide Feature<br>Smart Touchpad<br>Automatic Locking<br>Break-in/damage alarm<br>Low battery alarm and Emergency Power Supply<br>Remote Control (Optional)<br>Invisible Keypad<br>Emergency Power Supply