SONOFF

SONOFF SenseGuard DW Gen2 SNZB-04PR2 Zigbee Door Window Contact Sensor, Open/Close Monitoring, Tamper Proof, Phone Alert, Home Security Alarm, Works with Alexa, Home Assistant & SmartThings, 4-Pack

Name: SONOFF SenseGuard DW Gen2 SNZB-04PR2 Zigbee Door Window Contact Sensor, Open/Close Monitoring, Tamper Proof, Phone Alert, Home Security Alarm, Works with Alexa, Home Assistant & SmartThings, 4-Pack
Brand: SONOFF
SKU: SPH-B0GKFB66JZ
Price: 79.80 USD
Availability: InStock

$79.80 USD

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Product Details

About This

Accurate Open/Close Monitoring & AAA Battery Powered The sensor requires a Zigbee hub to operate. You can monitor door or window open/close status via App and receive instant phone alerts. Powered by replaceable AAA batteries for long-lasting, stable performance.
Tamper Alert & Instant Phone Notification Built-in tamper-prevent button allows you to receive real-time phone alerts when the device is removed, enhancing door security.
Smart Automation for Home Security and more The sensor requires a Zigbee hub to operate. When the open/close/tamper status changes, it can trigger smart scenes such as alarms when open, camera recording, smart lights on, or voice notifications. Perfect for home security, child safety, pet monitoring, and energy-saving automation.
Versatile Installation to Fit Most Doors & Windows Supports horizontal and vertical magnet installation with up to 30mm detection distance. Ideal for wide door gaps, narrow door frames, apartments, garages, and office security setups.
Compatible with other Zigbee Ecosystems Easily integrates with Home Assistant via SONOFF Zigbee Dongles and works with Alexa and SmartThings through compatible Zigbee hubs.

Overview

Brand : SONOFF
Power Source : Battery Powered
Compatible Devices : Alexa, Home Assistant, SmartThings
Product Dimensions : 3.54"L x 1.02"W x 0.53"H
Number of Batteries : 2 AAA batteries required. (included)

Shipping & Delivery

We currently ship within the United States only.

Order processing typically takes 3–5 business days, followed by an estimated 3–8 business days for delivery. The total estimated delivery time is 6–13 business days, excluding weekends and public holidays. A different timeframe may apply if stated on the product page before purchase.

Delivery dates are estimates, not guarantees. Shipping charges are shown at checkout.

See our Shipping & Delivery policy for full details.

Returns & Refunds

You may request a return within 30 days of receiving your item. Contact us before sending anything back.

For eligible change-of-mind returns, items must be unused and in their original condition, with tags, packaging, and accessories. Return shipping costs are your responsibility. We do not charge a restocking fee.

If your item arrives damaged, defective, or incorrect, contact us so we can review the issue and arrange a resolution. We cover required return shipping for confirmed issues.

Some exclusions apply. See our Returns & Refunds Policy for full details.

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SONOFF SenseGuard DW Gen2 SNZB-04PR2 Zigbee Door Window Contact Sensor, Open/Close Monitoring, Tamper Proof, Phone Alert, Home Security Alarm, Works with Alexa, Home Assistant & SmartThings, 4-Pack

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79.80

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Details

About This

Accurate Open/Close Monitoring & AAA Battery Powered The sensor requires a Zigbee hub to operate. You can monitor door or window open/close status via App and receive instant phone alerts. Powered by replaceable AAA batteries for long-lasting, stable performance.
Tamper Alert & Instant Phone Notification Built-in tamper-prevent button allows you to receive real-time phone alerts when the device is removed, enhancing door security.
Smart Automation for Home Security and more The sensor requires a Zigbee hub to operate. When the open/close/tamper status changes, it can trigger smart scenes such as alarms when open, camera recording, smart lights on, or voice notifications. Perfect for home security, child safety, pet monitoring, and energy-saving automation.
Versatile Installation to Fit Most Doors & Windows Supports horizontal and vertical magnet installation with up to 30mm detection distance. Ideal for wide door gaps, narrow door frames, apartments, garages, and office security setups.
Compatible with other Zigbee Ecosystems Easily integrates with Home Assistant via SONOFF Zigbee Dongles and works with Alexa and SmartThings through compatible Zigbee hubs.

Overview

Brand : SONOFF
Power Source : Battery Powered
Compatible Devices : Alexa, Home Assistant, SmartThings
Product Dimensions : 3.54"L x 1.02"W x 0.53"H
Number of Batteries : 2 AAA batteries required. (included)

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Frequently Asked Questions

Where can I find product specifications?

Select “View Product Details” to see each product’s specifications, available options, and included items. Check compatibility and usage instructions before ordering.

Where can I find shipping information?

We currently ship within the United States only. Shipping charges are shown at checkout. Please see our Shipping & Delivery page for processing and estimated delivery times.

How do I request a return?

You may request a return within 30 days of receiving your item. Contact us before sending anything back. Eligibility, exclusions, and return shipping costs are explained in our Returns & Refunds Policy.