The optical smoke detector/thermal sensor DP721RTA is a highly advanced safety device that monitors both smoke and temperature to provide early warnings of potential hazards. This device combines the functions of an optical smoke detector with a thermal sensor, allowing for comprehensive monitoring of air quality and ambient temperature. The detector is equipped with an automatic reset function, ensuring easy handling and maintenance. With its precise sensor technology, the DP721RTA quickly responds to changes in the environment, making it a reliable choice for use in residential and commercial spaces. Installation is straightforward, and the device is designed to operate effectively in various environments. With a focus on safety and user-friendliness, the optical smoke detector/thermal sensor is a valuable addition to any security system.