--- product_id: 382366127 title: "SNZB-04 ZigBee Wireless Door Window Sensor, Burglar Alarm for Home Security, Compatible with Alexa Google Home, Zigbee Bridge Hub Required" brand: "sonoff" price: "$35.50" currency: USD in_stock: true reviews_count: 1 category: "Sonoff" url: https://www.desertcart.us/products/382366127-snzb-04-zigbee-wireless-door-window-sensor-burglar-alarm-home store_origin: US region: United States of America --- # Real-time mobile alerts ZigBee wireless connectivity Long-lasting lithium battery SNZB-04 ZigBee Wireless Door Window Sensor, Burglar Alarm for Home Security, Compatible with Alexa Google Home, Zigbee Bridge Hub Required **Brand:** sonoff **Price:** $35.50 **Availability:** ✅ In Stock ## Summary > 🚪🔔 Stay one step ahead—secure your space with smart alerts that never sleep! ## Quick Answers - **What is this?** SNZB-04 ZigBee Wireless Door Window Sensor, Burglar Alarm for Home Security, Compatible with Alexa Google Home, Zigbee Bridge Hub Required by sonoff - **How much does it cost?** $35.50 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/382366127-snzb-04-zigbee-wireless-door-window-sensor-burglar-alarm-home) ## Best For - sonoff enthusiasts ## Why This Product - Trusted sonoff brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Scene Linkage:** Trigger lights or other devices automatically when entry points are accessed. - • **Family-Shared Control:** Easily share sensor access with loved ones for collective home monitoring. - • **Instant Security Alerts:** Receive real-time notifications on your phone whenever doors or windows open or close. - • **Plug & Play Installation:** 3M adhesive backing lets you set up in seconds—no tools, no hassle. - • **Seamless ZigBee Integration:** Effortlessly syncs with SONOFF ZigBee Bridge for smart home automation. ## Overview The SONOFF SNZB-04 is a compact, battery-powered ZigBee wireless door/window sensor designed to enhance home security by sending instant open/close alerts to your smartphone. Compatible with Alexa, Google Home, and requiring the SONOFF ZigBee Bridge, it enables smart scene automation like lighting control. Easy to install with included 3M adhesive, it supports multi-location use and family sharing for comprehensive, connected home protection. ## Description SONOFF SNZB-04 is a ZigBee two-in-one wireless door/window sensor that can be put on your door or window to tell you with an alert notification if your door or window is opened or closed, adding an extra layer of security to your home. The sensor provides you the possibility to create a scene linkage of ZigBee and Wi-Fi devices. Both the opening and closing status of the door/window are synced on your mobile phone, no longer to think back whether the door/down is off or not. It is really useful and can help you turn on or off the light in the action. Works with SONOFF ZigBee Bridge in harmony, you can set a scene to get your hallway lighted immediately when the door is opened. The camera function can be enabled on the sensor page in the eWeLink APP, which also allows you to view clearly who enters your home; even you can frighten the stranger and ask him to leave your home immediately with the two-way audio function. Its application can also extend to wide areas like drawers, garage doors, blinds, etc. Just stick it anywhere two things connect and it is always safe even if you don’t keep watch on it. Share the sensor with your family to give them an ability to quickly control and monitor your home together. Simple installation for easier setup. Peel and directly stick it on the targeted place or object, a smart security system is ready for you. Review: جيد جدا - جيد جدا ## Features - ✔ SONOFF wireless door/window sensor can be put on your door or window to tell you with an alert notification if your door or window is opened or closed, adding an extra layer of security to your home. Both the opening and closing status of the door/window are synced on your mobile phone, no longer to think back whether the door/down is off or not. - ✔ SONOFF ZigBee Bridge is required. The sensor provides you the possibility to create a scene linkage of ZigBee and Wi-Fi devices. This sensor is able to help you create a smart home. Works with SONOFF ZigBee Bridge in harmony, you can set a scene to get your hallway lighted immediately when the door is opened. - ✔ Simple installation for easier setup, 3M adhesive (included) installation significantly saves your time. Its application can also extend to wide areas like drawers, garage doors, blinds, etc. Just stick it anywhere two things connect and it is always safe even if you don’t keep watch on it. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08BFGJ6RB | | Battery Description | Lithium | | Battery description | Lithium | | Best Sellers Rank | #18,570 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #23 in Home Security Door & Window Sensors | | Brand | SONOFF | | Built-In Media | SNZB-04 | | Color | white | | Colour | white | | Compatible Devices | [ZigBee Bridge Hub, Alexa, Google Home] | | Compatible devices | [ZigBee Bridge Hub, Alexa, Google Home] | | Control Method | App | | Customer Reviews | 4.0 out of 5 stars 96 Reviews | | Item Dimensions L x W x H | 49L x 45W x 19H millimeters | | Item Type Name | Zigbee sensor | | Item Weight | 0.02 Kilograms | | Manufacturer | SONOFF | | Mounting Type | Window Mount | | Power Source | Battery Powered | | Power source | Battery Powered | | Product dimensions | 49L x 45W x 19H millimeters | | Sensor Technology | Contact Sensor | | Unit Count | 1 Count | | Voltage | 3 Volts | ## Product Details - **Brand:** SONOFF - **Colour:** white - **Compatible devices:** [ZigBee Bridge Hub, Alexa, Google Home] - **Power source:** Battery Powered - **Product dimensions:** 49L x 45W x 19H millimeters ## Images ![SNZB-04 ZigBee Wireless Door Window Sensor, Burglar Alarm for Home Security, Compatible with Alexa Google Home, Zigbee Bridge Hub Required - Image 1](https://m.media-amazon.com/images/I/41gl5-hqNJL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ جيد جدا *by H***I on 11 October 2025* جيد جدا ## Frequently Bought Together - SONOFF SNZB-04 ZigBee Wireless Door Window Sensor, Burglar Alarm for Home Security, Compatible with Alexa Google Home, Zigbee Bridge Hub Required - SONOFF ZBdongle-E, Universal Zigbee USB Gateway with Antenna, Works with Alexa & Google Home, IoBroker, Wireless Zigbee 3.0 USB Adapter(1 Pack) - SONOFF Zigbee Indoor Temperature Humidity Sensor, SNZB-02D LCD Wireless Smart Thermometer Hygrometer, Works with Alexa & Google Home for Remote Monitoring and Home Automation, 2-Pack --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/382366127-snzb-04-zigbee-wireless-door-window-sensor-burglar-alarm-home](https://www.desertcart.us/products/382366127-snzb-04-zigbee-wireless-door-window-sensor-burglar-alarm-home) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-17*