With the WELOCK PCB41 Plus, you can generate a one-time or time-limited passcode—perfect for granting secure, temporary access. Whether you're hosting Airbnb guests, expecting a delivery, or letting a cleaner in, you can manage who enters and when—no keys or app required.


Enjoy keyless access with WELOCK smart lock’s integration with Amazon Alexa (WIFIBOX3 required, sold separately). Unlock your door effortlessly using simple voice commands. Whether you're arriving home with your hands full or occupied when someone arrives, just say, "Alexa, unlock the door".
WELOCK keypad lock PCB41 Plusis ideal for Airbnb, apartments, workplaces, and bedrooms because it's simple to control, especially in situations where staff or guests go in and out frequently.


WELOCK smart lock is rugged and durable. With an IP65 waterproof rating, it can withstand small amounts of rain, dust, and daily wear and tear. It works reliably in temperatures from -25°C to 60°C.
The WELOCK keypad lock PCB41 Plus lets you enter random digits before or after your real code to keep it hidden from prying eyes—protecting your privacy every time you unlock.


The WELOCK smart lock cylinder is designed for effortless replacement of Euro profile locks. With adjustable length to fit door thicknesses from 50mm to 100mm. DIY installation is easy, requiring no drilling or wiring.
Specifications
- Brand: WELOCK
- Applicable door types: Wooden doors, interior doors, entrance doors, etc.
- Adjustable range: 50-100 mm
- Operating temperature: -25°C - 60°C
- Pressing cycle times: 100,000 Times
- Material of handle: Stainless steel + PC Plastic
- Way to unlock: Passcode/RFID card/APP/USB Backup unlock
- Battery type: 3*AAA Battery
- Power input: 3.6V-4.5V
- Battery replacement: Replaceable
- Color: Silver
- Battery life: 10-12 months
FAQs
WELOCK smart locks are easy to install and can usually be installed by yourself in a few minutes. No technical knowledge, drilling or special tools are required.
We provide an installation guide on our website and instructions for a quick and easy installation experience.
You can find out if your door is compatible with the WELOCK smart lock here.
10 administrators (the first administrator must be a password) and 190 users can be added to the WELOCK PCB41 Plus, for a total of 200 passwords and cards.
For example, you set up 2 administrator passwords + 8 administrator cards, and you add 120 user passwords + 70 user cards.
English, German, Italian, Spanish, French, Portuguese, Polish
Yes, when your WELOCK smart lock is connected to WIFIBOX3 bridge (sold separately), you can unlock and manage the lock from anywhere via WELOCK APP.
WELOCK smart lock is powered by three AAA batteries with a battery life of 10 months. When the batteries run out, you can unlock the door using the emergency power function. Simply connect a power bank supply to the USB port on the lock to temporarily power the lock and unlock it via the WELOCK APP (not rechargeable). In addition, the door lock will alert you when the battery is low so that you can replace the battery in time; you can also check the power level in the APP.
1. The languages supported on the locks are different:
PCB41 Plus can set English, German, Portuguese, Spanish, French, Italian, and Polish.
PCB41 can set Chinese, English, and German.
2. The number of users is different:
PCB41 Plus can add 10 administrators and 190 users (including passwords and smart cards);
PCB41 can add 1 administrator password and 9 user passwords, and 20 user smart cards.
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