BroadLink SR4D Smart Door Sensor – Wireless, Alerts, Alexa Support
BroadLink SR4D Smart Door Sensor – Wireless, Alerts, Alexa Support is backordered and will ship as soon as it is back in stock.
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Description
Description
BroadLink SR4D Smart Door & Window Sensor – Wireless Security with Real-Time Alerts – Works with BroadLink Hubs
🛡️ Enhance Your Home Security with Smart Detection
The BroadLink SR4D Door & Window Sensor provides real-time alerts when a door or window is opened or closed. Stay aware of any activity in your home, whether you're inside, at work, or on vacation – all through instant smartphone notifications.
📲 Instant Push Notifications to Your Phone
Get real-time alerts directly on your smartphone via the BroadLink App. Whether it's unexpected entry or just your kids coming home, you'll always know what’s happening at your doors or windows.

🔄 Smart Home Automation Ready
Seamlessly connect the SR4D sensor to your BroadLink Smart Hub and create automations like:
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Turning on lights when the door opens
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Triggering an alarm for unauthorized access
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Sending alerts when windows are left open
Perfect for integrating into your existing BroadLink smart home ecosystem.
🔧 Quick & Wireless Installation – No Tools Needed
Forget the drills and wires. The SR4D is completely wireless and installs easily using the included adhesive tape. Just peel, stick, and protect – ideal for renters or anyone looking for a hassle-free setup.

🔋 Long-Lasting Battery with Smart Alerts
Equipped with a durable battery for extended use, the sensor also features low-battery notifications, so you’ll always know when it’s time to replace.
🧩 Sleek, Compact, and Discreet
With a minimalist white design, the sensor blends naturally into any décor. Its compact form ensures it's unobtrusive yet effective, providing reliable protection without drawing attention.
📦 Product Specifications:
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Brand: BroadLink
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Model: SR4D
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Color: White
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Type: Smart Door/Window Sensor
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Connectivity: Wireless
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Compatibility: BroadLink Smart Hubs
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Alerts: Real-time smartphone push notifications
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Installation: Adhesive Tape (No Drilling Required)
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Battery: Long-lasting with low-battery alerts
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Ideal For: Home Security & Smart Automations
❓ Frequently Asked Questions (FAQs)
Q: Why should I choose the BroadLink SR4D Sensor?
A: It's a smart, easy-to-install security device offering instant mobile alerts, seamless smart home integration, and long battery life – perfect for modern home protection.
Q: Does it work with other smart systems?
A: It is designed specifically to work with BroadLink Smart Hubs and can be linked with other BroadLink automation devices.
Q: How do I install it?
A: Using the included adhesive tape, you can install it on any door or window in seconds – no tools or drilling required.
Q: How is it powered?
A: It runs on a long-life battery and notifies you when it needs replacing.