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One-touch Fingerprint Verification Method (Easy Scan)
Easy Scan technology has been applied to Conveniently read a fingerprint in one shot without the need to open or conveniently close the cover to enter a fingerprint.
Voice Guide
The Voice Guide lets you know the operation status and how to set each feature and mode.
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 unlock whenever the inner lever handle is used. The safe handle will 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-user environment, YDM4109 can be 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 is happened through different alignment of the numbers.
Mechanical key override
For emergency, it can also be unlocked with a mechanical key.
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 a standard 9V battery.
