WELOCK U81 Smart Lock 6-in-1 Euro Cylinder with Home Assistant

Name: WELOCK Smart Lock U81 Electronic Door Lock Cylinder
Brand: WELOCK
SKU: Core1KEY81
Price: 1076.0 PLN
Availability: InStock
Rating: 5 (8 reviews)

WELOCK Smart Lock U81 Electronic Door Lock Cylinder - WELOCK

1.076,00 zł

Tax included. Shipping calculated at checkout.

Free Automatic 3-year Warranty Extension Offer $0.00 Purchases directly from our Official Website will receive an auto-extension.

Hurry! Offer Ends Soon!

PRODUCT MODEL

U81

U81+WIFIBOX3

Ships free from Europe & UK warehouses

Low stock - 1 item left
Inventory on the way

BUY IT NOW

Buy on

[{"id":52620886966432,"title":"U81","option1":"U81","option2":null,"option3":null,"sku":"Core1KEY81","requires_shipping":true,"taxable":true,"featured_image":{"id":40146499174560,"product_id":15124597801120,"position":1,"created_at":"2025-07-11T14:45:07+08:00","updated_at":"2025-07-12T23:26:23+08:00","alt":"WELOCK Smart Lock U81 Electronic Door Lock Cylinder - WELOCK","width":1500,"height":1500,"src":"\/\/www.welock.com\/cdn\/shop\/files\/welock-smart-lock-u81-electronic-door-lock-cylinder-4300639.jpg?v=1752333983","variant_ids":[52620886966432]},"available":true,"name":"WELOCK Smart Lock U81 Electronic Door Lock Cylinder - U81","public_title":"U81","options":["U81"],"price":107600,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"06933718000571","featured_media":{"alt":"WELOCK Smart Lock U81 Electronic Door Lock Cylinder - WELOCK","id":37951027052704,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1500,"width":1500,"src":"\/\/www.welock.com\/cdn\/shop\/files\/welock-smart-lock-u81-electronic-door-lock-cylinder-4300639.jpg?v=1752333983"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":52620886999200,"title":"U81+WIFIBOX3","option1":"U81+WIFIBOX3","option2":null,"option3":null,"sku":"Core1KEY81+WIFIBOX3","requires_shipping":true,"taxable":true,"featured_image":{"id":40146459033760,"product_id":15124597801120,"position":11,"created_at":"2025-07-11T14:40:51+08:00","updated_at":"2025-12-02T14:06:05+08:00","alt":"WELOCK Smart Lock U81 Electronic Door Lock Cylinder - WELOCK","width":1500,"height":1500,"src":"\/\/www.welock.com\/cdn\/shop\/files\/welock-smart-lock-u81-electronic-door-lock-cylinder-5014944.jpg?v=1764655565","variant_ids":[52620886999200]},"available":true,"name":"WELOCK Smart Lock U81 Electronic Door Lock Cylinder - U81+WIFIBOX3","public_title":"U81+WIFIBOX3","options":["U81+WIFIBOX3"],"price":150300,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"6933718000649","featured_media":{"alt":"WELOCK Smart Lock U81 Electronic Door Lock Cylinder - WELOCK","id":37950999101600,"position":11,"preview_image":{"aspect_ratio":1.0,"height":1500,"width":1500,"src":"\/\/www.welock.com\/cdn\/shop\/files\/welock-smart-lock-u81-electronic-door-lock-cylinder-5014944.jpg?v=1764655565"}},"requires_selling_plan":false,"selling_plan_allocations":[{"price_adjustments":[{"position":1,"price":150300}],"price":150300,"compare_at_price":150300,"per_delivery_price":150300,"selling_plan_id":5485527200,"selling_plan_group_id":"52a9458ea2b891883f720047df6b15ef51ea3751"}]}]

Unlock your door with 6-in-1 Smart Access Options:
- Fingerprint (fast & secure)
- PIN code (with anti-peep protection)
- RFID card
- Bluetooth App
- Mechanical key (for emergency backup)
- Alexa voice control (via Wi-Fi gateway)
Whether for your home, Airbnb, office, or rental property—enjoy flexible, keyless access with full peace of mind.
Home Assistant Integration (with WiFiBox3)
Connect U81 to your smart home via WiFiBox3 and control it through Home Assistant, Alexa, or your phone.
Automatic Locking
Auto-locks after closing (7–14 s) and supports customizable delay time for flexible security.
Fits Narrow European Doors
Designed for door edges ≥25 mm — solves the common issue of limited space without drilling or modification.
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.
Long Battery Life & Low Voltage Alarm
Powered by 4×AAA batteries (not included).
Enjoy up to 12 months of battery life with typical use.
A low battery alert at 4.5V reminds you to replace it in time

Specifications

Learn More

Ships free from Europe & UK warehouses

30-Day Money-Back Guarantee

2 years Hassle-Free Warranty

Lifetime Customer Support

WELOCK U81 makes your lock smarter

Remote Control via App & Bluetooth

Simply add the WIFIBOX3 gateway to control your lock through WELOCK App. share guest access, view live access logs, and receive instant notification of any changes to the door status at any time
- Ideal for homes, Airbnb rentals, apartments, offices, and hotels.

Massive Code Versatility

This keyless entry smart lock supports up to 200 PIN codes, 100 fingerprints, and 199 RFID cards. You can assign up to 10 administrators and manage up to 190 regular users—perfect for full access control.

Secure Privacy Protection

In addition to the actual PIN code, this smart fingerprint lock supports entering random digits before or after the correct code — an anti-peep feature that effectively protects your privacy.

Smart Lock U81 with Physical Key

Even if the batteries run out or your phone is lost, you’ll never be locked out. The built-in physical key backup ensures peace of mind.

This smart lock is thoughtfully designed with an emergency key option to meet your everyday security needs.

Unlock Smart Cylinder Lock via Alexa

U81 integrates seamlessly with Alexa (via WIFIBOX3), making it a top choice for smart home lovers.
This Alexa-compatible smart lock lets you unlock the door with your voice.
Perfect for your smart home setup.

DIY Install Smart Lock for Euro Cylinder

No need to replace your door. The U81 is a DIY smart lock that fits most European profile cylinders — simply install, screw, and secure in 15 minutes.

WELOCK U81 User Manuals

U81 User Manual DE
U81 User Manual EN
U81 User Manual IT
U81 User Manual FR
U81 User Manual ES

FAQs

Yes, the U81 is compatible with most EU and UK standard doors (Euro profile cylinder). It fits door thicknesses of 60–115 mm and includes spacers for 50–90 mm installation.

Powered by 4 AAA batteries (not included), the smart lock lasts up to 10–12 months under typical use. A low battery alert will notify you when it’s time to replace them.

No, the WELOCK Smart Door Lock U81 does not require a WiFi bridge to function. It operates independently using its built-in features, including fingerprint recognition and password entry. However, if you want to control your door lock remotely via the WELOCK app or use voice control with Amazon Alexa, you will need a WIFIBOX3 bridge to connect the lock to your home network.

While smart door locks offer enhanced security measures that surpass traditional locks, no system is fully immune to hackers. To improve the security of your smart door lock, select models like WELOCK smart lock cylinders that use bank-grade encryption. Use strong, unique passwords for your lock's settings and secure your home Wi-Fi network to prevent unauthorized access.

Absolutely! The WELOCK U81 is designed for easy DIY installation with no drilling or wiring required. A step-by-step guide and tools are included.

Yes. It can be downloaded and updated completely free. The app is available for Android and iOS smartphones. Learn more details

Currency

WELOCK Smart Lock U81 Electronic Door Lock Cylinder

Specifications

WELOCK U81 makes your lock smarter

WELOCK U81 User Manuals

U81 User Manual DEU81 User Manual ENU81 User Manual ITU81 User Manual FRU81 User Manual ES

U81 User Manual DE
U81 User Manual EN
U81 User Manual IT
U81 User Manual FR
U81 User Manual ES