Do door sensors work?
Do door sensors work? A door and window alarm sensor works by using a sensor and a magnet. The sensor is placed on or inside the door or window frame. As soon as the magnet separates from the sensor, an internal reed switch inside the sensor will become tripped. When this happens, the sensor will send a signal to the alarm system. What is smart door sensor? The Okos Smart Door Sensor is designed to passively monitor any entrance into your property by easily attaching to any door or window. The sensor easily connects to your home Wi-Fi and in...