Remind you when door/window is opened or closed. Keep linkage with SONOFF smart products for your easier smart life.
The sensor will send you a push notification immediately,if someone is detected to open your door or window.
Add SONOFF camera or an unused smartphone, and you can view what’s going on in your home not just receive the alert notification when the door is opened.
Adopts low power comsumption technology which makes sure the sensor works up to 2 years in a frequency of opening/closing door three times a day
Automatically save message notifications. You can check history records over the last 3 months
Tool-free installation. Adopts 3M adhesive on the bottom of the sensor for easier installation.