Yale YDM 4109 A Series Biometric Smart Lock

One-touch Fingerprint Verification Method (Easy Scan)- 100 Users
Easy Scan technology has been applied to Conveniently read a fingerprint in one touch to enter conveniently. 

Pin Code Access  - 100 Users
With YDM 4109, you do not have to worry about carrying anything with you. Even if you have forgotten everything, just type your PIN codes into the keypad and the door is unlocked.

Mechanical key override - 2 Keys
For emergency, it can also be unlocked with a mechanical key.

Smart Keypad
Keypad Displays functional operation with various patterns of light.

Multiple Modes
For multi-user environment, it can operate on Security (Master) mode where the master user can register and delete individual user while Normal mode controls all the users at one time.

Strength
Strong Lock body with hardened SS 304 bolts

Auto Lock
If you are sometimes forgetful, you can set your digital lock to automatically activate 5 seconds after you close the door - so you never have to worry whether you remembered to lock it again. ( Manual operation is also available) 

One Time Password
Issue single-use temporary passwords for convenient visitor access.

Code Scrambling
If when you come to use your PIN code you are concerned someone is watching the numbers you type, you can scramble your code to make it much harder to follow. Just type in some random numbers before or after your code and the lock will still operate - but the number will be much harder to remember!

Long Battery Life
YDM 4109 comes with strong Alkaline AA batteries, which have been tested to run on an average of 3500 open & close operations.

Emergency Power
Even if your lock loses all its power, you can just attach a standard 9V battery that will bring back all the usual features of your lock, and giving you access to your home.

3 Minute Lock Out
After five (5) unsuccessful attempts of an invalid code or fingerprint, lock out mode is activated for 3 minutes.

Low Battery Alert
Low battery alert gives you a simple audible and visual alert to let you know when the batteries are getting low - giving you plenty of time to change the batteries.

Convenience
It can upgrade your existing door lock and supports door thickness from 38 mm to 80 mm.

Smart Etiquette​​​​​​
If you have a little child or often enter/exit your home late at night, you can adjust the volume or mute the key tone of the door opening melody for your family or neighborhood.

Alarms
Your Yale lock will keep out most burglars, but what if they try to break it with a hammer. Our built-in loud alarm will sound as soon as it is attacked, letting everyone know and scaring the burglar away.

Smart Connectivity

Video Door Phone
Wireless integration with most Video Door phones (For Video Door Phone configuration user would need YRM 20 N and YRM 20 AMC available under Accessory Section)

Yale Access APP
Works with Yale App to access your lock remotely (Compatible with Yale Access App, user would need Yale Access Connect Wifi Bridge and Yale Access BLE Module available under Accessory Section)