433MHz Wireless Door/Window Sensor DW2-RF | SONOFF

**Product Description:** Elevate your home security and gain unparalleled peace of mind with the SONOFF 433MHz Wireless Door/Window Sensor DW2-RF. Designed to provide instant open/close alerts, this essential device is your first line of defense against unauthorized entry and a crucial component for any smart home. Operating on a reliable 433MHz wireless frequency, the DW2-RF meticulously monitors the status of your doors, windows, cabinets, or even gates. When connected to a SONOFF RF Bridge (like the RF BridgeR2), it seamlessly integrates into your smart home ecosystem, sending real-time notifications directly to your smartphone via the eWeLink app. Imagine knowing instantly if a window is opened while you’re away, or being alerted if a child accesses a restricted area. Installation is incredibly simple – just peel and stick the compact sensor onto any desired surface. Its long-lasting battery ensures continuous monitoring with minimal maintenance. Beyond security, leverage its capabilities for smart automation, such as triggering lights when a door opens, or simply reminding you to close a window during inclement weather. Choose the SONOFF DW2-RF for robust, reliable protection and intelligent control over your living space.