• • Keep linkage with SONOFF smart devices to create various smart scene
  • Turn on/off your light with an action
  • Notify you when the door/window is opened
  • Check the opening and closing status of door/window on APP
  • Battery-level display and low-battery reminder
  • Allow sharing the sensor with your family to monitor and control of your home
  • No gateway required
  • Bluetooth low energy pairing
  • Support to check history record on APP
  • Low-power Wi-Fi transmission for more lasting work time
  • Peel and stick installation, quick to use

Note: SONOFF DW2 doesn’t come with batteries into the package.