The Matter Smart Door Magnetic Detector JSL-DM is an innovative product designed to enhance your home security. With advanced magnetic sensors, this device detects any opening or closing of doors or windows, sending an instant notification to your smartphone. As a factory, our goal is to provide reliable, high-quality products that exceed our customers' expectations. This device is easy to install and operates seamlessly with Matter-compatible smart home systems. Protect your home and loved ones with the Matter Smart Door Magnetic Detector JSL-DM.