Smart lock connections
Compare Wi-Fi, Bluetooth/local, and hub-based smart locks so you know when remote access, batteries, and extra bridges matter before you buy.
OLUMAT B28 B28 Smart Lock with Handle
Features
- 8-in-1 keyless entry with fingerprint, passcode, fob, phone, key, auto lock, and one-time PIN
- Remote control via Wi-Fi gateway for lock/unlock, code setup, and access logs
- Easy installation in minutes with a Philips screwdriver, no drilling or wiring
- Ideal for homeowners and rental hosts like Airbnb, with remote passcode generation
- Free app use forever, 30-day money-back guarantee, 1-year warranty, lifetime support
General specs
- Brand: OLUMAT
- Model: B28
- Seller: Retailer
- ID: B0CNXM7L9F
- Material: Metal
- Backlight: Yes
- Dimensions: 71.37, 30.73, 3.07
- Indicators: Buzzer, LED
- Connectivity: Wi-Fi
- Operation Mode: Contactless
- Installation Location: Indoor
- Authentication Methods: Fingerprint, Keypad, Password, RFID Card
- First listed by seller: January 12, 2026
If you are interested in more details, you can find full information on the seller's page.
Partner offer temporarily unavailable
Shipping options
Delivery to 
United States
United States
Available
This smart lock is for the homeowner who juggles family schedules and occasional guests. It's perfect for letting in a dog walker while you're at work or granting access to a visiting relative without sharing a physical key.
While many focus on home security, this lock offers true convenience for daily life. You can create a one-time code for a contractor that expires after they leave, ensuring no lingering access. The fingerprint scanner works reliably even with wet hands from groceries, letting you in without fumbling.
Installation is straightforward with a screwdriver, fitting most standard U.S. doors. Pair it with the optional Wi-Fi gateway for remote control via the app, making it an Alexa compatible smart lock for hands-free management. You get real-time logs and peace of mind without ongoing fees.
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|---|---|---|---|---|---|---|
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MOUSETRO ZN-S01 Black
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| Brand | OLUMAT | Sifely | Swikitec | MOUSETRO | Yamiry | Veise |
| Model | B28 | S Model WiFi | WiFi Q2 | ZN-S01 | YR05 | VE027-K |
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| Price | €58.90 | €80.32 | €26.77 | €31.33 | €62.47 | €80.29 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Apr 14, 2026 | Jun 24, 2026 | Jun 24, 2026 | Apr 27, 2026 | Jun 24, 2026 | Jun 24, 2026 |
| Material | Metal | Zinc Alloy | Metal | Zinc Alloy | Aluminum | ABS, Aluminum, Zinc Alloy |
| Finish | Brushed | Matte | Matte | Matte | ||
| Weight | <num1>, <num2> | 839 | <num1>, <num2> | |||
| Application | Door | Door | Door | |||
| Door Configuration | Single Door | Single Door | Single Door | |||
When this device makes sense
Product confidence
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