Unlock your door instantly with smart keyless entry—no keys needed, even when your hands are full. Quick fingerprint or passcode access keeps your daily routine effortless and secure. Advanced encryption and auto-locking ensure your home stays protected at all times.
Connect the U71 Smart Lock to WIFIBOX 3 to enable seamless voice control with Amazon Alexa. Simply say “Alexa, open my front door” to unlock hands-free. The U71 also integrates with Home Assistant, allowing you to automate routines, monitor lock status, and manage your smart home from one place
Create time-limited passcodes for visitors, cleaners, repairmen, Airbnb guests, or deliveries—up to 10 active codes at a time.
When paired with the WIFIBOX 3, you can generate and manage time-limited passcodes remotely, giving you full access control wherever you are.
The WELOCK U71 Smart Lock is built with IP65 waterproof protection and works reliably from -25°C to 60°C, making it suitable for outdoor installations.
Note: Exterior doors should have eaves for proper weather protection.
The WELOCK U71 Smart Lock fits standard EU cylinder doors and adjusts from 60–90 mm without drilling or wiring. Simply replace your existing cylinder with the included module and slide the smart lock into place. Compatible with most wooden, metal, and armored doors for a quick, hassle-free setup.
FAQs
The Smart Lock U71 fits most EU Standard Cylinder and Euro Profile Cylinder doors with a thickness of 60–90 mm and an outer cylinder length of ≥ 40 mm. It works with wooden, metal, and armored doors.
Not compatible with UK oval cylinders or vintage doors.
No drilling and no wiring are required. Installation takes about 5 minutes—simply remove your existing Euro cylinder and slide the U71 module into place.
It’s fully DIY-friendly and ideal for apartments, houses, and rentals.
Yes. When connected to the WIFIBOX 3 gateway, the U71 supports:
Amazon Alexa voice control
Home Assistant integration
This lets you unlock via voice commands, automate routines, and check lock status remotely.
The U71 uses AES-encrypted communication, secure biometric data storage, and an anti-peeping password feature (up to 30 digits) to prevent PIN observation.
It also auto-locks after entry and includes a mechanical key backup for emergencies.
Biometric data (fingerprints) are stored locally inside the lock, not in the cloud.
The WELOCK App uses encrypted channels (HTTPS/AES) to protect user access permissions.
No personal fingerprint or passcode data is uploaded or shared.