This document is a product manual about Exergen. It introduces the features and characteristics of infrared temperature measurement products. Exergen designs and manufactures a variety of models of infrared temperature sensors, which can provide accurate, reliable, and cost-effective temperature measurement results in the production process. The product series includes IRt/cTM, SmartIRt/cTM, D Series, DX Series, and SnakeEyeTM. These products are non-contact, pollution-free, and non-destructive, and can be widely used in industrial and medical industries.