Fingerprint Smart Lock Cylinders for Euro-Profile Doors

Keyless entry for homes, apartments, and rentals. Easy to install, simple to use, and designed for everyday access on European cylinder doors.

Made for Euro-Profile Doors
Designed for the European cylinder format, these smart cylinder locks are a practical upgrade for many standard apartment, home, and entrance doors.
Fast Fingerprint Access
Unlock your door in daily use with a fingerprint smart lock that reduces the need for physical keys and makes everyday access more convenient.
Works Offline in Daily Use
Compatible models support local Bluetooth access, so your fingerprint smart lock cylinder can be used every day without depending on constant Wi-Fi.
Easy Cylinder Replacement
Replace your existing Euro cylinder with a fingerprint smart lock cylinder in just a few steps. Many standard door setups do not require drilling or rewiring.

Fingerprint Smart Lock Cylinders for Euro-Profile Doors

Choose the Right Fingerprint Smart Lock Cylinder for Your Needs

Different doors and use cases need different features. Use this quick guide to find the WELOCK fingerprint smart lock cylinder that best matches your home, apartment, or rental setup.

Best for Everyday Home Use

A practical choice for families and homeowners who want simple keyless entry for daily life. Reliable fingerprint access, easy cylinder replacement, and a clean fit for many Euro-profile doors.

Shop ToucA51

Best for Rentals / Guest Access

Ideal for short stays, guest turnover, and more flexible access management. A smart lock cylinder designed for easier guest access, with temporary passcodes and more flexible entry options.

Shop ToucA51 Pro

Best for Smart Home / Remote Access

Designed for users who want reliable daily access now, with the option to add remote control later. A practical choice for connected homes, with support for Alexa and Home Assistant.

Shop U81&WIFIBOX3

Fingerprint Smart Lock Cylinder FAQs

A fingerprint smart lock cylinder is designed for Euro-profile door systems, which are common in many European homes and apartments. Exact compatibility still depends on cylinder size, door clearance, and surrounding hardware, so checking fit before ordering is always recommended.

The best way is to check your current cylinder size and confirm that your door uses a compatible Euro-profile cylinder format. Door thickness, handle clearance, and hardware around the cylinder can also affect fit. A compatibility checker or door measurement guide is the safest first step before choosing a model.

WELOCK fingerprint smart lock cylinders can offer several entry methods depending on the model. Common options include fingerprint unlock, passcode entry, RFID card access, app-based unlocking, and mechanical key backup. Some models also support temporary passcodes, USB backup power, and optional remote access when paired with the WiFiBox gateway, which is sold separately. This gives users more flexible keyless entry for homes, apartments, and rentals.

In many standard installations, no drilling or rewiring is required. A fingerprint smart lock cylinder is usually designed to replace the existing cylinder rather than rebuild the whole door. The exact process depends on the door setup and the model you choose.

Yes. Compatible models can support local Bluetooth operation for daily use, so a fingerprint smart lock cylinder does not need constant Wi-Fi just to unlock the door. If you want remote access features, selected models can be paired with WiFiBox3.

The best model depends on your door fit, preferred access method, and whether you need features such as temporary passcodes or remote management. For many apartments, a simple and reliable smart lock cylinder is enough for everyday use, while rentals and guest access often benefit from more flexible access options.

Bluetooth is typically used for local daily access when you are near the door. Remote access usually requires an optional gateway such as WiFiBox3, which can add features like remote unlock, notifications, and smart home integration on supported models.

Yes. When paired with the optional WiFiBox 3, WELOCK smart locks support:

Amazon Alexa voice control
Home Assistant automation

This allows you to unlock with voice commands or include your lock in home automation routines.

WELOCK smart locks run on 3 × AAA batteries with a battery life of approximately 10–12 months (depending on usage).

Yes. On supported models, fingerprint data and passcode data are stored locally on the device instead of relying on the cloud for everyday unlocking. The WELOCK app uses encrypted communication (such as HTTPS/AES) to help protect access permissions and related data. This local-first setup helps give users a more private and practical way to manage everyday access.