Door/Window Sensor

Enhance your home security ecosystem with the SONOFF SNZB-04PR2 SenseGuard, a next-generation Zigbee 3.0 door and window sensor. This Gen2 device offers a crucial layer of protection by providing real-time notifications to your smartphone the moment a door or window is opened or closed. Engineered for high-stakes security, it features an advanced tamper alert system that triggers a notification if the sensor is forcibly removed or interfered with, ensuring your entry points remain truly guarded.

Thanks to its Zigbee 3.0 protocol, the SNZB-04PR2 consumes minimal energy, offering years of battery life while maintaining a fast, stable connection to your smart hub. When used with a compatible Matter bridge, this sensor seamlessly integrates into the Apple Home ecosystem, allowing you to create complex automation scenes—such as turning on the entryway lights when you arrive or receiving an emergency alert while you’re away. Its ultra-compact, minimalist design ensures it fits discreetly on any frame without disrupting your interior aesthetic. Installation is entirely tool-free with the included high-strength adhesive, making it a perfect solution for both homeowners and renters. Whether you are looking to monitor a nursery, secure a patio door, or automate your morning lighting, this intelligent sensor provides the reliability and peace of mind necessary for a modern smart home.