Smart Door Lock YDM4109+

YDM4109+ mortice lock is a smart solution for residential & light commercial applications. It offers two access solutions to open your door: fingerprint & PIN code. It's innovative features such as alarm, fake code detection and automatic locking provide secure access and peace of mind.


  • One-touch Fingerprint Verification Method (Easy Scan) - Easy scan technology has been applied to coveniently read a fingerprint in one shot without the need to open or close the cover to enter a fingerprint.
  • Voice Guide Feature - This feature lets you know the operation status and how to set each feature and mode for easier and more convenient use.
  • Smart Touchpad - To prevent the password from being exposed due to residual fingerprints after opening a door, a new technology has been adopted to complete the door opening process by touching the keypad with a palm after entering the password.
  • Anti-panic egress with Safe handle - For convenience and in case of emergency, the door is automatically unlocked whenever the inner lever handle is used. Safe handle will also protect from any break-in attempts.
  • Scramble code - You can add meaningless number prior to or after the right code when there is a chance of exposing it to others.
  • Alarm (Break-in/Damage) - 80dB alarm goes off if anyone attempts to damage the lock or force the door open, or if the lock detects.
  • Security/Normal mode - For multi-use environment, YDM4109 can be turned to Security (Master) mode that the master can register and delete each user while Normal mode controls all the users at one time.
  • Operation Status Notification - Whenever any operation is made, the keypad informs you what has happened through different alignment of the numbers.
  • Low battery alarm and emergency power supply terminal - It warns in case of low battery with alarm and LED. When the batteries are completely discharged, you can easily supply emergency power to the lock with the standard 9V battery.



  • Type: DIN type mortise lock
  • Credentials:
    - Pin code (6-12 digits)
    - Fingerprint reader (up to 20 users)
  • Mechanical key: 2
  • Center distance: 72mm
  • Backset: 60mm
  • Door thickness: 40-80mm
  • IP 55
  • Operating temperature: -15 to +55 °C
  • Suitable for left or right opening
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