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Overview

⏱️ Smart door monitoring with SanJie Door Alarm 🚪🔔. Features instant and delayed alerts ⏳ (30s–4min), adjustable volume 0–120dB 🔊, and door-ajar reminders 🚨. Ideal for kids’ safety 👶, freezer/fridge alerts ❄️, and home security 🏠.

SanJie Door Alarm with Instant & Delay Alerts, 0–120dB

Model: SweatEquity3541
Web Code: 19728440
Sold and shipped by | 3.3 seller rating (3 reviews)

Available for deliveryAvailable online only

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Warranty

Check with the manufacturer for details.

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

• 🚪 Alerts when doors are left open • ⏱️ Multiple delay alert options • 🔊 Adjustable volume up to 120dB • 🚨 Prevents energy loss and safety risks • 👶 Ideal for kids and elderly safety • ❄️ Suitable for freezer and fridge alerts • 🏠 Enhances home security awareness • 🛠️ Easy installation process • ⚡ Energy-efficient sensor operation • 🔔 Smart reminder and alarm solution

Product Condition
Brand New
Alarm/Sensor Type
Sensor

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

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  • 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.