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Overview

This is an indoor smart door lock that supports WiFi and Zigbee dual communication protocol versions, equipped with double-tongue lock body and 5050 standard lock body, suitable for a variety of door types. The product supports multiple unlocking methods such as password, smart card, fingerprint, etc. Users can adjust the language, unlocking mode, voice prompts and timing settings through the App, and the matching Zigbee wireless small gateway enhances signal stability.

WiFi Tuya smart home fingerprint door lock, app remote control timed unlocking remote anti-theft smart door lock-WiFi double tongue version

Model: B45705
Web Code: 19355293
Sold and shipped by | 3.1 seller rating (35 reviews)

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Enjoy on orders from this seller.

Seller Return Policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

1. Core functions

Multiple unlocking methods:

Fingerprint unlocking: supports high-precision fingerprint recognition, fast unlocking, suitable for frequent family members.

Password unlocking: Temporary/permanent passwords can be set, and anti-peeping virtual passwords are supported (such as entering "123456 correct password 789" can still unlock).

Smart card unlocking: Equipped with an encrypted IC card, you can unlock the lock with a touch, suitable for the elderly or children.

WiFi/Zigbee remote control (depending on the model): remotely unlock, view records or share temporary permissions through mobile phone apps (such as Tuya Smart, Smart Life).

Mechanical key backup: emergency physical keyhole to prevent failure to enter the door when the electronic system fails.

Smart linkage and security:

Abnormal alarm: multiple incorrect attempts (such as continuous password/fingerprint errors) trigger the lock and push the alarm to the mobile phone.

Anti-pry alarm: buzzer alarm and notify the user when violent unlocking is detected.

Low battery reminder: when the battery is low, the door lock will give a voice prompt and push notification in the App.

Convenient settings:

Voice prompts: voice guidance is provided during operation (such as "door is locked").

Timed automatic lock: countdown can be set to automatically lock to avoid forgetting to lock the door.

Temporary permissions: generate time-limited passwords or one-time card permissions for visitors, which will automatically expire after expiration.

2. Power supply and battery life

Powered by 4 AAA batteries (approximately 6-12 months, depending on the frequency of use).

Emergency power supply: supports temporary power supply from an external power bank connected to the USB interface (such as when the battery is exhausted).

3. Applicable scenarios

Specially for indoor doors (such as bedrooms, study rooms, office compartments), not suitable for outdoor anti-theft doors (no rainproof design).

Compatible door thickness: Suitable for doors with a thickness of 22mm, standard 5050 lock body (specifications 22×160mm).

Packing list

Smart door lock body ×1 (including fingerprint module, password panel, keyhole).

Lock body and accessories:

5050 standard lock body ×1 (specification 22×160mm).

Smart components:

WiFi/Zigbee gateway ×1 (equipped only for corresponding models).

Power supply and tools:

AAA batteries ×4 (need to be installed by the user).

USB charging cable ×1 (for emergency power supply).

Instructions and warranty:

Installation guide ×1

Notes:

The thickness of the door body and the compatibility of the lock body must be ensured (within 22mm).

It is recommended that professionals operate during installation to avoid damage to the door body.

The Zigbee/WiFi version must be used with the corresponding gateway (some models must be purchased separately).

Product Condition
Brand New
Colour
black

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping on all orders.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • Quebec
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Smart home products
Return/Exchange Period
30 days
Condition
Opened