• How does a self-powered window/door contact sensor work?

    What is a self-powered window/door contact sensor? A self-powered window/door contact sensor is a very important aspect of a smart home and security system. Self-powered window/door contact is a sensor that lets us know whether a window or door is opened or closed. A self-powered window/door contact sensor can make the light turn on automatically after sensing the window or door is opened, and the light will be turned off automatically after sensing the window or door is closed. A self-powered window/door contact sensor is the most common sensing device for sensing the opening and closing of a window or door. A self-powered window/door contact sensor consists of two parts – a contact that is installed on the window or door frame and an activating magnet that is mounted on the window or door. When the window or door is opened, a self-powered window/door contact sensor will trigger the load, such…

    Technology News, News 01/17/2022

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