Sonoff Door/Window Sensor DW2 can help secure your door or window to let you know whether your home is safe wherever you are. The sensor can trigger an alarm to your smartphone to inform you of an intruder when the door or window is opened. Connect the SONOFF wireless IP camera and you can view who the intruder is on the sensor page of APP. Whenever your door or window is opened or closed, you can check the real-time opening and closing status on eWeLink APP.
