SONOFFWireless Door/Window Sensor – DW2-Wi-Fi

The SONOFF DW2-WiFi Wireless Door & Window Sensor is a smart security solution designed to provide real-time monitoring for doors and windows in homes, offices, and commercial spaces. Using direct 2.4GHz Wi-Fi connectivity , it operates without the need for a hub or gateway, making installation quick and simple. Once connected to the eWeLink app , the sensor instantly sends notifications whenever a door or window is opened or closed, allowing users to stay informed no matter where they are. The DW2-WiFi can also be linked with other SONOFF smart devices to trigger intelligent automations, such as turning on lights, activating alarms, or starting security routines when movement is detected. Its compact and discreet design ensures seamless installation without affecting daily use of doors or windows. Powered by a long-lasting CR2032 battery , the sensor delivers reliable, energy-efficient performance for extended periods. With simple adhesive or screw mounting options and stable magnetic detection, the SONOFF DW2-WiFi is an ideal choice for anyone looking to enhance home security with smart, connected monitoring and automation. Technical Specifications Specification Details Model SONOFF DW2-WiFi Communication Wi-Fi 2.4 GHz (IEEE 802.11 b/g/n) Power Supply CR2032 battery (included) Detection Type Magnetic contact Detection Range Up to 30 meters open space Compatible Devices 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 lights and alarms Entry monitoring for bedrooms and living areas Security alerts for shops and storage rooms Smart routines for home automation systems Why Choose SONOFF DW2-WiFi? Real-time monitoring via eWeLink app Wi-Fi connectivity, no hub required Easy, quick installation Compact, energy-efficient design Ideal for home or office security and automation