WELOCK U81
Best for Narrow Door Backsets U81 combines fingerprint, PIN, temporary passcodes, RFID, Bluetooth, WELOCK app and mechanical-key access.
Buy WELOCK U81
WELOCK U71
Choose U71 when a removable exterior knob provides a better fit for your compatible Euro-profile door. It supports fingerprint, PIN, RFID, Bluetooth, WELOCK app and mechanical-key access.
Buy WELOCK U71
WELOCK Touca51 Pro
Choose Touca51 Pro when you need temporary passcodes for guests, cleaners, visitors or rental stays without handing over a physical key.
Buy ToucA51 ProCompare WELOCK Models in Detail
Compare Smart Locks Subtitle
Compare Smart Locks Prices detailed description
| Products | ||
|---|---|---|
| Current Sale Price | ||
| Euro-Profile Cylinder Compatible | ||
| Standard Cylinder Configuration | ||
| Adjustable Cylinder Length | ||
| Bluetooth Access | ||
| Fingerprint Access | ||
| PIN Code Access | ||
| Temporary Passcodes | ||
| WELOCK App Access | ||
| Remote Unlocking via WiFiBox3 | ||
| Amazon Alexa via WiFiBox3 | ||
| Home Assistant via WiFiBox3 | ||
| RFID Smart Card | ||
| USB-C Emergency Power | ||
| Mechanical key | ||
| Battery Life | ||
| Waterproof |
WiFiBox3 is sold separately and is required for remote unlocking and supported smart home integration. Normal local access works without Wi-Fi.
How to Choose Between WELOCK Models
Check the installation requirements
Confirm that your door uses a compatible Euro-profile cylinder. Compare the cylinder dimensions, door thickness, and backset.
Choose the functions you need
Decide whether you need temporary passcodes, a mechanical backup key, USB-C emergency power or a removable exterior knob.
Compare the main differences
Choose U81 as the most feature-rich all-round option, U71 for its removable exterior knob, Touca51 Pro for temporary guest access, or Touca51 for everyday keyless entry.
WELOCK Smart Lock Comparison FAQ
U81 supports temporary passcodes and is designed for compatible doors with backsets from 25 mm. U71 has a removable exterior knob but does not support temporary passcodes. Both models include a mechanical backup key.
U81 is better suited to narrow door backsets and includes a mechanical backup key. Touca51 Pro is designed for guest and rental access and uses USB-C emergency power instead of a mechanical backup key.
WELOCK U71 and Touca51 do not support temporary passcodes. The other models shown in the comparison support temporary passcode functions, although the available code types may vary.
No. Normal local access works without a constant Wi-Fi connection. WiFiBox3 is only required for supported remote unlocking and smart home integration.
Ready to Choose Your WELOCK Smart Lock?
Ready to Choose Your WELOCK Smart Lock?
Compare the models above, confirm your door dimensions and choose the access methods that match your needs.
