--- product_id: 643509341 title: "SNZB-04P ZigBee Wireless Door Window Sensor, Send Alert to Your Smartphone for Home Security, Compatible with Alexa/Google Home, SONOFF Zigbee Hub Required, Batteries Included" brand: "sonoff" price: "£16.90" currency: GBP in_stock: true category: "Sonoff" url: https://www.desertcart.co.uk/products/643509341-snzb-04p-zigbee-wireless-door-window-sensor-send-alert-to store_origin: GB region: United Kingdom --- # Zigbee 3.0 seamless integration 5-year battery life 20mm max installation gap SNZB-04P ZigBee Wireless Door Window Sensor, Send Alert to Your Smartphone for Home Security, Compatible with Alexa/Google Home, SONOFF Zigbee Hub Required, Batteries Included **Brand:** sonoff **Price:** £16.90 **Availability:** ✅ In Stock ## Summary > 🚪🔒 Stay ahead of intruders with smart security that never sleeps! ## Quick Answers - **What is this?** SNZB-04P ZigBee Wireless Door Window Sensor, Send Alert to Your Smartphone for Home Security, Compatible with Alexa/Google Home, SONOFF Zigbee Hub Required, Batteries Included by sonoff - **How much does it cost?** £16.90 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/643509341-snzb-04p-zigbee-wireless-door-window-sensor-send-alert-to) ## 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 - • **Local Smart Scene Automation:** Keep your smart home running smoothly even during WiFi outages with local device linkage. - • **Tamper-Proof Security Alerts:** Instant app notifications if someone tries to disable your sensor—peace of mind guaranteed. - • **Ultra-Slim 20mm Installation:** Discreet, sleek design fits perfectly on doors and windows without bulk. - • **Unmatched 5-Year Battery Life:** Forget frequent replacements—power your smart security for half a decade. - • **Zigbee 3.0 Protocol Compatibility:** Effortlessly sync with Alexa, Google Home, and SONOFF hubs for a smarter home. ## Overview The SONOFF SNZB-04P is a cutting-edge Zigbee 3.0 wireless door/window sensor designed for seamless integration with popular smart home ecosystems like Alexa and Google Home. Featuring a tamper-proof design and ultra-long 5-year battery life, it ensures reliable, low-maintenance home security. Its local smart scene capability guarantees automation even without WiFi, while a slim 20mm installation gap makes it perfect for any door or window. Batteries are included for immediate setup. ## Description SNZB-04P is a Zigbee 3.0 protocol-based door/window sensor equipped with a tamper-proof feature. It seamlessly interacts with other smart devices to easily create various scenarios, such as automatically turning on lights when a door is opened, triggering audible and visual alarms in case of unauthorized entry, and sending app notifications to keep you informed. Compared with SNZB-04, SNZB-04P has improved design and performance. With a tamper alert, 5 years battery life, Maximum installation distance is 20mm, and the sensor on/off for more than a period can be used as a scene trigger condition. Equipped with tamper-proof features ensures your peace of mind. You will receive App notifications on your phone if the sensor is tampered with. With local scene intelligent linkage, even if your WiFi network crashes, you can still activate Zigbee local scenes as long as your Zigbee devices are powered on. Lower latency, higher reliability. Besides, SNZB-04P seamlessly integrates with Zigbee hubs utilizing the Zigbee 3.0 protocol, such as SONOFF NSPanel Pro, SONOFF iHost, SONOFF ZB Bridge Pro, SONOFF ZBDongle-E, SONOFF ZBDongle-P, and Echo Plus 2nd ## Features - 【Monitoring Doors & Windows】Automatically turning on lights when a door is opened, triggering audible and visual alarms in case of unauthorized entry, and sending app notifications to keep you informed. - 【Tamper Alert】Equipped with tamper-proof features ensures your peace of mind. You will receive App notifications on your phone if the sensor is tampered with. - 【Local Smart Scene】With Local smart scene, scene linkage between Zigbee devices can be executed normally as long as your Zigbee devices are powered on even if the network is disconnected. - 【5-Year Battery Life】Powered by CR2477 battery extends the battery life to over 5 years, eliminating concerns about frequent battery replacements. - 【Zigbee 3.0 Compatible】 Note: SNZB-04P needs to be used with Zigbee Hub Seamlessly integrates with Zigbee hubs utilizing the Zigbee 3.0 protocol, such as SONOFF NSPanel Pro, SONOFF iHost, SONOFF ZB Bridge Pro, SONOFF ZBDongle-E, and Echo Plus 2nd… ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C1G7W72B | | ASIN | B0C1G7W72B | | Batteries | 1 Lithium Metal batteries required. (included) | | Battery Description | Lithium | | Best Sellers Rank | #39,279 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #48 in Home Security Door & Window Sensors | | Brand | SONOFF | | Built-In Media | Sensor | | Color | White | | Compatible Devices | SONOFF NSPanel Pro, SONOFF iHost, SONOFF ZB Bridge Pro, SONOFF ZBDongle-E, Echo Plus 2nd | | Control Method | App | | Customer Reviews | 4.5 4.5 out of 5 stars (502) | | Customer reviews | 4.5 4.5 out of 5 stars (502) | | Date First Available | 24 June 2024 | | EU Spare Part Availability Duration | 5 Years | | External Testing Certification | CE | | Global Trade Identification Number | 06920075740646 | | Item Type Name | Door Sensor | | Item model number | SNZB-04P | | Manufacturer | SONOFF | | Manufacturer | SONOFF | | Maximum Range | 3 Meters | | Mfr Part Number | SNZB-04P | | Model Number | SNZB-04P | | Mounting Type | Wall Mount | | Number of Batteries | 1 Lithium Metal batteries required. (included) | | Power Source | Battery Powered | | Product Dimensions | 41 x 32 x 22 cm; 30 g | | Sensor Technology | Contact Sensor | | Voltage | 3 Volts | | Wattage | 3 watts | ## Product Details - **Battery description:** Lithium - **Brand:** SONOFF - **Colour:** White - **Compatible devices:** SONOFF NSPanel Pro, SONOFF iHost, SONOFF ZB Bridge Pro, SONOFF ZBDongle-E, Echo Plus 2nd - **Power source:** Battery Powered ## Images ![SNZB-04P ZigBee Wireless Door Window Sensor, Send Alert to Your Smartphone for Home Security, Compatible with Alexa/Google Home, SONOFF Zigbee Hub Required, Batteries Included - Image 1](https://m.media-amazon.com/images/I/51+MdobHI1L.jpg) ## Frequently Bought Together - SONOFF SNZB-04P Zigbee Door Window Sensor, Send Alert to Your Smartphone for Home Security, Compatible with Alexa/Google Home, SONOFF Zigbee Bridge Required, Batteries Included - SONOFF Universal Zigbee 3.0 USB Dongle Plus Gateway with Antenna for Home Assistant, IoBroker, Zigbee2MQTT --- ## 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.co.uk/products/643509341-snzb-04p-zigbee-wireless-door-window-sensor-send-alert-to](https://www.desertcart.co.uk/products/643509341-snzb-04p-zigbee-wireless-door-window-sensor-send-alert-to) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-23*