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Overview

The Smart Lock Ultra offers top-tier security and convenience, fitting 99.9% of doors and supporting 17 unlock methods (fingerprint, NFC, voice, smartwatch, and more). Its triple battery protection, 6-layer security, and fast 0.3s quiet unlock ensure reliable access. With auto-lock, magnetic sensors, and Matter smart-home integration, it’s an ideal modern home upgrade.

SwitchBot Smart Lock Ultra | Keyless Entry Door Lock with Auto-Lock, Quiet Mode & 17 Unlock Methods

Model: 4449
Web Code: 19418569
Sold and shipped by | 4.5 seller rating (51 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.

Seller Return Policy

Warranty

Check with the manufacturer for details.

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

What's included:

  • 1 x SwitchBot Lock Ultra, Black

Features:

• Fits 99.9% of Doors - Works with most Single Deadbolts, Jimmy Proof & Mortise locks (with adapter*).

• Triple Battery Protection - Main + backup + emergency power keeps your lock always working.

• 17 Unlock Methods - Use free mobile app, auto unlock, NFC, smartwatch, or keypad with fingerprint sensor*.

• 6-Layer Security System - Tamper alerts, encryption, and real-time status for all-around safety.

• Fast & Quiet Performance - Unlock in 0.3s with 98% accuracy and upgraded quiet motor. Automatically switches to quiet mode at night, operating as silently as falling leaves to avoid disturbing sleep.

• Auto-Lock with Magnetic Sensors - Automatically locks only when the door is fully closed, with audible alerts if not secured, ensuring safety and convenience.

• Ultra-Fast Unlocking - Features a high-speed motor with 0.2s Bluetooth response and fast mode for quick access during the day.

• Matter Compatibility - Works with Apple Home, Alexa, Google Assistant, and Siri via a Matter-compatible SwitchBot Hub* for seamless smart home integration.

Product sold and shipped from Canada.

*Sold separately*

Product Condition
Brand New
Control Type
SwitchBot App
Colour
Black

Compatibility

Works with Google Assistant
Yes
Works with Amazon Alexa
Yes
IFTTT
Yes
Voice Assistant Built-In
Siri
Device Compatibility
Android, iOS
Compatible Models
Samsung; Apple; Google
Operating environment
Indoor & Outdoor

Connectivity

Connectivity
SwitchBot Hub Applicable
Apps
SwitchBot App; Google Home; Amazon Alexa
Operation Modes
Open and Close Mode

Features

Alert Method
App Notification
Battery Life
Up to 9 months

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 may be available on orders over a minimum amount (before taxes, fees, and promo codes). Shipping charges may vary based on item size and your shipping address. Want a shipping charge estimate? Simply add an item to your cart, then access the cart and enter your postal code in the shipping estimate section.

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*:
  • No restrictions in Canada
*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

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