An infrared detector is a device used to detect and measure infrared radiation. It is capable of capturing the infrared spectrum that is invisible to the human eye and converting it into visible light or electrical signals for analysis and application. This product is a high-performance infrared detector suitable for a wide range of civilian applications. The product is widely used in residential areas, office spaces, public facilities, among other civil fields. By providing accurate and reliable infrared detection capabilities, it brings convenience, safety, and comfort to users' experiences.