Sonoff Wi-Fi Door/Window Sensor - DW2

The Sonoff Wi-Fi Door/Window Sensor DW2 is a wireless sensor for monitoring when a door or window is opened or closed. It sends instant notifications to your phone and connects directly to Wi-Fi, with no hub needed. Use it for security alerts or pair it with other Sonoff devices to create automations. Designed for use with the eWeLink app, this Sonoff sensor also provides a history log with timestamps for open and close events. It is battery powered, uses 2 x AAA batteries, and installs with adhesive tape, with one piece placed on the door or window and one on the frame. Key Features • Detects when a door or window is opened or closed • Sends instant notifications to your phone • Connects directly to Wi-Fi • No hub needed • Works with the eWeLink app • History log with timestamps for open/close events • Can be paired with other Sonoff devices to create automations • Battery powered • Uses 2 x AAA batteries • No wiring needed • Installs with adhesive tape • One piece goes on the door/window and one on the frame Specifications • Brand: Sonoff • Model: DW2 • Product type: Wi-Fi Door/Window Sensor • Color: White • Input: 3V DC • Dimensions: 70x31x19mm • Wireless connection: Wi-Fi 2.4 GHz • Working temperature: -10°C~40°C