SONOFF Wireless Door & Window Sensor – 433MHz RF Compatible – DW2-RF

The SONOFF DW2-RF Wireless Door & Window Sensor is a dependable security device designed to monitor doors and windows and detect unauthorized access in real time. Using 433MHz RF communication , it delivers stable, long-range performance and integrates seamlessly with the SONOFF RF Bridge for smart home automation via the eWeLink ecosystem. When a door or window is opened or closed, the sensor sends signals to trigger alerts or activate connected smart devices such as lights, alarms, cameras, or sirens. This allows users to create intelligent security routines that enhance safety and convenience. The DW2-RF features a compact and discreet design , ensuring it blends neatly into any environment without affecting normal door or window operation. Installation is quick and flexible using adhesive tape or screws, making it suitable for DIY smart home setups. Powered by a CR2032 battery , the sensor is optimized for low power consumption, providing long-lasting and reliable operation. Whether used in homes, offices, shops, or storage areas, the SONOFF DW2-RF delivers practical, cost-effective smart security with dependable performance. Technical Specifications Specification Details Model SONOFF DW2-RF Communication RF 433MHz Power Supply CR2032 battery (included) Detection Type Magnetic contact Operating Range Up to 30 meters in open space Compatible Devices SONOFF RF Bridge, eWeLink-enabled devices Installation Adhesive tape or screws Dimensions 62 × 19 × 12 mm (approx.) Material ABS Plastic Applications Door and window security monitoring Smart home intrusion detection Office and commercial space protection Automation triggers for alarms and lighting Entry monitoring for rooms and storage areas DIY smart security systems Integration with SONOFF RF-based automation setups Why Choose SONOFF DW2-RF? Real-time door/window monitoring via RF Integrates with eWeLink for smart home automation Easy, hassle-free installation Compact, discreet, and energy-efficient Ideal for enhancing home or office security