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  •  Our Smartkey APP is now your key - Keyless entry with your smartphone;

  • Silicon Fingerprint Sensor: Convenient authentication methods aimed to reduce worry over key loss or fingerprint copy;

  • Convenient: Create and send PIN codes to guests and visitors remotely. Using the ZKsmartKey app, you can grant access from anywhere in the world;

  • Random Password: Ensures that strangers can’t steal your password by looking at worn-out keypad digits or watching you nearby when you enter the password;

  • View Access Logs: A 24/7 activity log tracks who enters and exits your home. And with unique keys for each user, you’ll always know who opens your door and when;

  • Keyfob: Quick Tap Entry. For those who don't use a smartphone, Once you present the key fob in the vicinity of handle, the door will instantly unlock.If you ever lose your key fob, you can easily delete in the app so it will no longer have access.


best keyless door lock
  • Card Reader: Mifare card

  • Password / Cards capacity: 100

  • Door Thickess: 35-53mm(standard)

  • Power: 4 AA Alkaline Batteries(not included)

  • Operation temperature: -22℃—+55℃ (advise to install under sheltered areas)


Every product comes with our industry's best warranty and loyalty program. We provide each original retail purchaser a warranty against defects in materials and workmanship, being stated as the following: 

As the official online store of ZKTeco, all the products in our site is provided One (1) Year Limited Hardware Warranty-Worldwide to authorize clients as follows:

- ZKTeco warrantees all the hardware products to be free from manufacturing defects. 

- If a hardware defect arises and a valid claim is received within the Warranty period, ZKTeco will repair or replace such product hardware within 15 working days on receipt of the failed hardware.

- In the event of repair/replacement of any part(s) of the unit, this warranty will thereafter continue and remain in force only for the unexpired period of the warranty or 60 days, whichever is greater. The time taken for repair and in transit, whether under the warranty or otherwise, shall not be excluded from the warranty period.

This warranty does not cover:

- Improper assembly. 

- Improper follow-up maintenance. 

- Installation of components, parts, or accessories not compatible with the smart lock as sold. 

- Damage or failure due to accident, misuse, abuse, or neglect. 

- Labor charges for part replacement or changeover. 


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What People are saying

ZKTeco AL40B brings your deadbolt into the 21st century

 - W. Townsend,Holly Wood FL

The lock is amazing. Easy to set up easy to use. Very secure and reliable. I was able to program the app to do and see all that I needed easily. 

 - ARIEL PERERA,Los Angeles California

This wad exactly what i was looking for. The written instructions where condusing, but watching the online videos sure helped. 

 - Shawn Shook from Amazon

Our Team & Office

Customer Reviews View on Amazon

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