Sonoff DW2-WIFI Smart Door / Window Sensor - White
Sonoff DW2-WIFI Smart Sensor for Doors and Windows - IEEE 802.11 b 2.4GHz, BLE\n\nThe Sonoff DW2-WIFI is easy to install, improves home security, and lets you automate it in new ways.\n\nThanks to this sensor, you can remotely see whether a door or window is open, and you can also use it as a switch to trigger other Sonoff smart devices (i.e., keep the light on while the door is open). Meanwhile, the Sonoff DW2-WIFI is easy to install using the included 3M adhesive, and it doesn\'t require a gateway connection.\n\nThe eWeLink app is available for Android and iOS phones and tablets. It gives you additional control over your Sonoff smart home system as well as insight into history record for the last three months.\n\nFeatures:\n- Works without gateway connection\n- Compatible with other Sonoff smart devices\n- Phone pairing via Bluetooth Low Energy\n- The app supports Amazon Alexa and Google Assistant\n- Keeps the notification record for the last 30 days\n- Suitable for use on most doors and windows\n- Tool-less installation using 3M adhesive\n\nSpecifications:\n- Battery: 2 x AAA 1.5V\n- Wi-Fi: IEEE 802.11 b 2.4GHz\n- Supported OS: Android, iOS\n- Installation gap:
