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Control who can enter your home and monitor access in real time.
Unlock with fingerprint, passcode, or smartphone — no physical keys needed.
Never get locked out or hide spare keys again.
Easily manage access for family members, guests, cleaners, or deliveries.
Fingerprint unlocking—fast and secure
PIN code—supports up to 200 codes with anti-peep protection
RFID card—tap to unlock, perfect for kids or seniors
Bluetooth app—control via WELOCK app locally
USB emergency unlock—power the lock even with dead batteries
Alexa voice control—unlock remotely via WIFIBOX3 (sold separately)
Ideal for homes, Airbnbs, rentals, and offices—enjoy full keyless freedom anytime, anywhere.
Smart Lock ToucA51 is compatible with most wooden, interior, and entrance doors. The adjustable lock cylinder makes it easy to retrofit on 55–95 mm thick doors without professional tools.
Powered by 3×AAA batteries, the lock delivers reliable performance for 10–12 months under normal use. Low battery warning included to ensure you’re never locked out.
Constructed with stainless steel + PC plastic, Touca51 withstands daily wear and harsh conditions. It operates reliably from -25°C to 60°C and endures over 100,000 pressing cycles.
Install your WELOCK smart lock euro cylinder in under 10 minutes—no wiring, no drilling, and no locksmith required.
This retrofit smart door lock fits most 55–95 mm Euro-profile doors, making it the perfect upgrade for modern homes, rentals, or offices.
Wide Compatibility & Strong Performance
Fits wooden, interior, and entrance doors with Euro-profile cylinders.
Tested for 100,000 pressing cycles—built to last.
The silver finish complements modern door aesthetics.
The WELOCK ToucA51 Pro (ToucDEBL41) is a smart cylinder designed for euro-profile doors. Suitable for wooden doors, interior doors, and entrance doors, it is a practical upgrade for homes, apartments, and rentals. It can be installed in around 5 minutes without drilling or wiring.
As a Bluetooth smart lock, the ToucA51 Pro smart cylinder works locally without requiring a constant internet connection for everyday use. Remote access, voice control, and smart home functions are available when connected to the WiFiBox3 gateway.
This digital cylinder supports fingerprint, passcode, RFID card, smartphone app, temporary password, USB-C backup unlock, and voice control via WiFiBox3. Compared with the standard ToucA51, the Pro version adds temporary passcodes, allowing you to generate time-limited access for guests, visitors, cleaners, or rental use.
The ToucA51 Pro electronic cylinder is powered by AI-enhanced fingerprint recognition for fast, reliable, and secure access. Built with a durable stainless steel and PC body, it is designed for long-term daily use on wooden doors, interior doors, and entrance doors. With IP65 waterproof protection, an operating temperature range of -25°C to 60°C, and testing for up to 100,000 pressing cycles, it is made to perform in rain, cold, heat, and everyday outdoor conditions. Powered by 3 AAA replaceable batteries, it offers around 10 to 12 months of battery life and a 3.7V low-voltage warning.
Fingerprints and access data are stored locally on the device — never in the cloud. Encrypted communication (AES/HTTPS) protects your privacy and access permissions. WELOCK smart locks comply with CE certification standards, ensuring they meet European safety, health, and environmental requirements. No cloud storage. Your data stays in your home.
If you're unsure, use our compatibility checker or contact support via support@welock.com
WELOCK smart locks are designed for most European doors using a standard Euro profile cylinder.
If your door has a Euro cylinder (common in Germany, France, and Italy), it is very likely compatible.
We recommend using our Compatibility Checker before ordering to confirm your door thickness and cylinder dimensions.
Installation takes around 10 minutes and does not require drilling or special tools.
You simply remove your existing Euro cylinder and replace it with the WELOCK smart cylinder. No electrician is needed.
Yes. Core functions such as unlocking via fingerprint, PIN code, or Bluetooth work without Wi-Fi.
WiFi is only required if you want remote access, real-time notifications, or remote guest management via the WIFIBOX3 gateway.
Yes. WELOCK is designed with multiple security layers:
Access credentials such as fingerprints are stored directly on the lock, reducing exposure to external servers.
The lock is designed to meet European residential security standards and privacy expectations.
The lock provides low-battery warnings well in advance, giving you enough time to replace the batteries.
If the batteries are fully depleted, you can use an emergency power supply via USB to temporarily power the lock and unlock your door.
For added peace of mind, the WELOCK U81 model also includes a mechanical key backup, allowing you to unlock the door manually if needed.
With multiple backup options in place, WELOCK is designed to keep you in control at all times.
Yes. You can generate temporary PIN codes for:
Codes can be time-limited and deleted at any time.
Yes. The WELOCK app is available for iOS and Android.
Through the app, you can:
Yes. WELOCK is widely used for:
It removes the need for physical key handovers and improves guest convenience.
The best smart lock for European doors should:
WELOCK is specifically designed for European door standards.
Yes. WELOCK works with most multi-point locking doors, as long as they use a standard Euro cylinder.
Always measure your cylinder length before ordering.
