The WELOCK U81 article: Versatile smart door lock for modern doors first appeared at the online magazine Basic Thinking. You can start the day well every morning via our newsletter update.
Forgot the key, lost or passed on to the children? With a Smart door lock Like the Welock U81, this scenario belongs to the past. Instead of classic key, the model relies on fingerprint, pin codes, RFID cards or the control via smartphone. We took a closer look at the U81 and checked how easy it is to install, which functions it offers and how it proves itself in everyday life.
First impression & design
At first glance, the U81 looks modern and functional. The housing combines stainless steel with resistant plastic, the surface is silver -colored and subtly fits into common door designs.
Practical: The cylinder follows the euro profile standard so that the lock can be used on many doors. Suitable spacers are supplied for different door thicknesses.
installation
Installation is deliberately kept simple. Normally, a screwdriver is enough:
- Remove old cylinder
- Insert U81 and fix with screw
- Assemble the handles and insert batteries
- Create user profiles – done
The time required is around 10 to 20 minutes. Advantage for tenants: The door remains unchanged, and the old castle can be used easily when moving out.
Functional scope
The U81 is one of the most versatile models of Welock. He supports several types of access:
- Fingerprint (up to 100 storage places)
- PIN codes (up to 200, including anti-peep function)
- RFID cards (up to 199 possible)
- Smartphone app via Bluetooth
- Mechanical key as an emergency solution
- Alexa language control-in connection with the separately available WiFi-Bridge
The operation is uncomplicated. Fingerprints are recognized quickly, pin codes can be entered safely, and permissions can be flexibly assigned or withdrawn using the app.
Everyday suitability
In practical use, the U81 convinces with reliable detection. Dry fingers are recognized within seconds; In the case of cold or moisture, it sometimes takes a little longer – typical behavior in biometric sensors.
The app enables users to manage to keep an eye on the battery life and to view access protocols. Anyone who wishes more reach will take advantage of Wifibox3which also allows access from afar – for example to open for guests while you are on the go.
Security
Security comes first with a smart door lock. The U81 brings several protective mechanisms with:
- Anti-PeEP function: Additional digits before or after the PIN code possible to prevent reading
- Encrypted communication between the app and the castle
- Mechanical key as physical backup
- Robust euro profile cylinder, tested for over 100,000 locking cycles
Power supply & weather strength
The castle is operated with four AAA batteries, which should last about a year with normal use. If the battery stand falls, there is an acoustic warning and a message in the app.
Thanks to IP65 certification, the U81 is protected against dust and splash water. According to the manufacturer, the operation is possible from –25 ° C to +60 ° C, so that the use of outside doors is also realistic.
Price & guarantee
- Single lock: 249 euros
- Bundle with WiFi-Bridge: 348 euros
With the “VD50” discount coupon, you now save an exclusively 50 euros! Shipping takes place from European camps, which guarantees short delivery times without customs formalities. Positive: Welock provides a three -year guarantee that is automatically extended when buying online.
Conclusion
The Welock U81 is a versatile and robust smart lock that combines numerous access options in a single cylinder. The combination of fingerprint, pin, RFID and app control makes it interesting for families, shared apartments or apartments.
Plus points are the simple retrofitting, the long battery life and the weatherproof construction. If you value remote access, you should plan the additional WiFi-Bridge.
The bottom line: a modern door lock with high comfort and strong equipment that brings a bit more security and flexibility to everyday life.
Now secure the smart door lock
Competition: win a WELOCK U81 worth 249 euros
Welock is raffling off the U81 worth 249 euros together with Basic Thinking Among all newsletter subscribers from Basic Thinking. We are giving away our castle, which was installed once for this. So you only have to on October 15, 2025, 12 p.m. have subscribed to our newsletter and leave us a comment under this article by then, Why you want to win the U81.
Find out more about the smart door lock on the YouTube channel from Welock Smart Lock: https://www.youtube.com/@welocksmartlock
We pull the winner on October 15, 2025 And then notify him or she by email. We wish you good luck!
The closing date for entries is Wednesday, October 15, 2025, 12 p.m. Participation takes place to the exclusion of the legal process. Each participant can only participate once. We are giving away our test device, which has been installed once. Only correctly completed comments are included in the selection process. The winner will be informed by email. The claim for profit expires after one week if the winner cannot be determined or it does not report within one week of the announcement of the profit from the organizer of the competition (Basic Thinking GmbH). The data of the other participants are not passed on to third parties or used for other purposes.
The WELOCK U81 article in the test: Versatile smart door lock for modern doors first appeared on Basic Thinking. Follow us too Google News and Flipboard Or subscribe to our update newsletter.
As a Tech Industry expert, I am impressed with the WELOCK U81 smart door lock for modern doors. Its versatility makes it a standout product in the market, offering a wide range of features and functionalities that cater to the needs of today’s tech-savvy consumers.
The ability to control the lock remotely through a smartphone app adds convenience and security to the user’s daily routine. The lock’s compatibility with voice assistants like Alexa and Google Assistant further enhances its usability and integration with smart home systems.
The sleek and modern design of the WELOCK U81 makes it a stylish addition to any contemporary door, blending seamlessly with the aesthetic of modern homes and offices. Its advanced encryption technology ensures that the user’s data and privacy are protected, giving them peace of mind when using the lock.
Overall, I believe that the WELOCK U81 is a top-notch smart door lock that combines innovation, functionality, and style. It is a great option for those looking to upgrade their home security system with a reliable and versatile solution.
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