SONOFF Zigbee Door Window Sensor | SNZB-04P

The silent guardian that keeps tabs on your entryways, sending alerts, triggering automations, and protecting your peace of mind. Instant Alarm & Lighting Triggers: Automatically illuminates spaces, like hall lights when you enter at night—or sends immediate app notifications for unauthorized access. Built-In Tamper Alerts: Detects removal attempts and sends you instant alerts, adding a discreet security layer. Ultra-Long Battery Life: Powered by a CR2477 battery with over 5 years of dependable operation without frequent replacements. Seamless Local Automation: Executes Zigbee-linked routines, even if Wi-Fi or the internet drops, keeping operations fast and reliable. Universal Zigbee Hub Compatibility: Works flawlessly with SONOFF hubs (NSPanel Pro, iHost, ZB Bridge Pro) and supports DIY platforms like Home Assistant via Zigbee2MQTT or ZHA. Quick Specs Model: SNZB-04P | Wireless: Zigbee 3.0 | Battery: CR2477 (~5-year life) | Operating Temp: –10 °C to 60 °C | Working Humidity: 5–95