Smart Cylinder Lock Features
Upgrade your door with flexible access options and smarter security features designed for modern homes, apartments, offices, and rental properties.
Fingerprint Access
Bank-grade biometric security for fast and reliable keyless entry.
Keypad and PIN code access
Keyless entry using a personal PIN directly on the keypad.
Remote Control
Remote control and integration with Alexa and Home Assistant through WiFiBox3.
RFID Card Unlock
Contactless unlocking with a registered RFID card held near the lock’s reader.
Bluetooth App Access
Local unlocking and access management through the WELOCK app when you are near the door.
Backup Unlock
Emergency access using Type-C USB power or a mechanical backup key when the batteries are depleted.
Why Choose a Smart Cylinder Lock?
Keyless Convenience
A smart cylinder lock allows keyless entry through fingerprint, PIN code, RFID card or smartphone app.
10-Minute Easy Retrofit
Designed for standard Euro-profile doors with an adjustable telescopic cylinder. Most Euro cylinder smart locks can be installed without drilling or wiring.drilling or wiring required—tenant-friendly.
Bank-Grade Security
Features AES encryption and anti-peeping PIN tech to fully protect against digital hacking and unauthorized access.
Flexible Guest Access
Effortlessly generate time-limited codes or digital code for Airbnb guests, cleaning staff, or delivery workers via the app.
Remote Control
View a real-time audit trail on your phone to see exactly who entered your home or office and when.
Ultra-Long Battery Life
One set of batteries lasts 8–10 months. Features low-battery alerts and an emergency USB power port so you are locked out.
Smart Cylinder Locks for Home & Apartments
For homes and apartments with Euro profile doors. Upgrade your existing lock cylinder for everyday keyless access without replacing the whole door or lock hardware. Choose fingerprint, RFID, PIN code, or app access depending on the model.
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Smart Cylinder Locks for Offices & Businesses
For small offices, studios or team spaces that need shared access. Choose keypad, RFID or app-supported models when several people need to unlock the same door.
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Smart Cylinder Locks for Rental Properties
For rental or holiday apartment use, choose models with PIN code, temporary password or remote access. Always check the model features before using it for guest access.
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Make sure your door uses a Euro profile cylinder. WELOCK cylinders are not designed for every lock or door type.
Measure the total door thickness from the outer surface of one escutcheon to the outer surface of the other.
Measure the distance from the edge of the door to the centre of the cylinder.
FAQs about electronic lock cylinders
A smart cylinder lock is an electronic door cylinder that replaces a traditional Euro profile cylinder and allows keyless access through fingerprint, PIN code, RFID card, Bluetooth or a smartphone app.
Unlike a standard lock cylinder, a smart cylinder lock allows you to manage access digitally without carrying a physical key.
A smart cylinder lock replaces the existing door cylinder while keeping your original lock system. It is designed as a retrofit solution for compatible Euro profile doors.
A traditional smart lock usually attaches to or replaces the existing door mechanism, which may require different installation methods. A smart cylinder lock offers an easier way to upgrade your door with smart access features.
WELOCK smart cylinder locks are designed for compatible Euro profile cylinder doors commonly found in European homes, apartments and offices.
Before purchasing, check your door type, cylinder size, door thickness and available installation space to make sure the lock fits your door. You can also use our Compatibility Check tool for assistance.
Yes. WELOCK smart cylinder locks are designed to replace your existing Euro profile cylinder without drilling or wiring.
Most compatible doors can be upgraded in around 10 minutes using basic tools. Simply remove your existing cylinder and install the compatible WELOCK smart cylinder lock.
No. WELOCK smart cylinder locks work locally through fingerprint, PIN code, RFID card, Bluetooth and mechanical key access without an internet connection.
Add a WELOCK WiFiBox3 separately if you need remote unlocking, real-time notifications, access records or smart home integration with Alexa and Home Assistant.
Choose the model based on your access needs:
WELOCK U81 – The most versatile model with fingerprint, PIN code, RFID card, Bluetooth app access and mechanical key backup.
WELOCK U71 – A flexible choice with a removable outside knob design, suitable for compatible Euro profile doors requiring easier installation.
WELOCK Touca51 Pro – Ideal for homes and rental properties with fingerprint access, PIN codes, RFID cards and temporary passcodes.
WELOCK Touca51 – A simple option for everyday keyless entry with fingerprint and PIN access.
Yes. WELOCK smart cylinder locks use encrypted Bluetooth communication and secure access management to help protect your home.
Depending on the model, features such as fingerprint recognition, PIN code protection, RFID access and app management allow you to control who can enter and manage access permissions more securely.
Yes. Smart cylinder locks are a convenient solution for rental apartments, holiday homes and Airbnb properties.
Depending on the model, you can provide access through PIN codes, fingerprints, RFID cards or app control without sharing physical keys. This makes it easier to manage guests, cleaners and service providers.
