The Silent Knight SK-HEAT-ROR-W Intelligent Thermal Sensor in White is a cutting-edge fire alarm system component designed for advanced fire protection. Manufactured by the reputable brand Silent Knight, this model is specifically designed to detect and alert in case of a fire emergency. With its smart thermal sensor technology, this product offers reliable and efficient protection for any property. Plus, with free shipping included, it's a convenient and cost-effective choice for enhancing your fire safety system.