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Dato Home L-B400 fingerprint smart lock. Opens with fingerprint, password, RFID cards or smartphone! Best lock 2020 for smart and modern homes. Black version.
Dato Home L-B400 fingerprint smart lock. Opens with fingerprint, password, IC card or smartphone! Best lock 2020 for smart and modern homes. Silver version.

DATO L-B400 2.0 Smart Door Lock Knob, Keyless Fingerprint, Touchscreen Digital Door Lock, Secure Bluetooth, Easy Install, Great for Airbnb, Homes, Apartments, Hotels and Offices

Regular price
$ 169.00
Sale price
$ 149.00
Shipping calculated at checkout.
Quantity must be 1 or more

All discounts applied at checkout. Please check final price before paying to ensure everything is in order.

Exchanges and refunds accepted
Returns are available within 14 days of placing your order.
Free shipping
Orders over $99 will receive free shipping.
Manuals and Technical Support
Please find installation manuals by clicking here
, or call us on (929) 336-6777 (US) or (1) 44 2602 2456 (Mexico) for help.


Your finger is your key! Store multiple user profiles to unlock by scanning your fingerprint in a mere .3s!

Smartphone & App

Use your phone to unlock your lock!


Use your phone to unlock your lock, and share eKeys with other people you grant access.


Set and share numerical passcodes with people you trust

Semiconductor technology powers the fingerprint scanner that is the jewel of this smart home IoT smart lock

The DatoHome app gives you total control.

With the DatoHome app there's no need to be at home to open you door! (You'll need the DatoHome G2 Gateway to connect through Wifi)

The DatoHome app keeps track of when and what doors was opened in your home in the unlocking-records page

Easily administer access rights to you your family, friends, and neighbours, so they can unlock the lock and get in when they need to.

Convenient Technology

Smart Lock Technology

The DATO fingerprint door Lock provides you with multiple highly-secure ways to instantly lock or unlock your door. You can do it remotely through the app or unlock it with a just a tap of your phone using a passcode, Bluetooth, or RFID card. The fingerprint reader is highly accurate and able to store up to 120 unique fingerprints.

Keyless Convenience

Coming and going is key-less, effortless and painless. Advanced 4-in-1 Keyless Entry Smart Door Lock, fingerprint, Code, Fob, or your Smartphone

Artificial intelligence learning algorithm - with artificial intelligence learning algorithm, it optimizes and improves the recognition rate - especially useful in some cases of the elderly, children, wet and dry, and otherwise incomplete fingerprints

Ready to Help

DatoHome Support

We're always ready to help you. Reach us by mail or phone, or see our extensive library of user manuals. We've also made video manuals so you can prepare in advance.

Within minutes you can swap out your basic lock for the DatoHome Smart Lock. The wire free technology makes installation quick, easy, and secure. All it takes is a small screwdriver, and about 15 minutes to install.

Style & Usability

Made to Fit

The L-B400 fits most american standard doors, or otherwise requires very little modification (a hole 3 centimeters across).

Modern Luxury Design

DATO smart home products never compromise design aesthetics with functionality. Each product is made with both form and function in mind and is guaranteed to add a sense of high-class luxury to any environment with its sleek design, and high-quality build.

Dato Home L-B400 fingerprint smart lock. Opens with fingerprint, password, IC card or smartphone! Best lock 2020 for smart and modern homes. Black version.

What people say

Professional customer service caring support. A must buy for those who want Technological locks. The have a wide variety of Phenomenal locks and other technologically geared products.
- Sead D. Patterson

Did a lot of shopping around and decided to buy 4 of these for my home and business. (...)
- Douglas Hay

L-B400 2.0

DatoHome Smart Lock

so what's in the box?

  • DatoHome L-B400 2.0 Smart Door Knob
  • 2 IC/FOB keys
  • 2 Sets of connecting screws
  • 1 Square bar
  • 2 Sets of insulating sleeves
  • 1 Hexagon socket wrench
  • Pair of front and back grips
  • Single tongue latch
  • Instruction manual
The L-B400 is a popular DataHome smart lock product intended to make your daily life safer and more convenient through smart IoT technology and fingerprint and app technlogy.

Product Description
DATO door knob lock provides you with a variety of highly secure ways to immediately lock or unlock the door. You can unlock remotely through the Dato Home app, unlock through fingerprint (storing up to 120 accurate fingerprints!), unlock through IC Card reader (with the Dato AI home key cards), or just unlock through numerical password input on the keypad.

Safe, reliable and smart. No company combines security with high-end technology at an affordable price like DATO AI. DATO AI fingerprint lock makes you feel safe and secure no matter where you are, and can control your home or business. These locks are easy to install, do not require power tools, and can be installed in minutes. L-B400 provides you with more than three security protection lock methods, and a method that allows users to access the control of their houses anytime, anywhere. The most important thing is that the AI ​​learning algorithm will be adjusted according to your needs, and the longer it is used, the better.

Customer Reviews

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