Discover the Bosch FAP-425-DO-R Avenar 4000, a dual optical smoke detector designed to provide the earliest detection of the lightest smoke using advanced Dual-Ray technology. This device not only monitors the environment for electromagnetic influences to quickly pinpoint the cause of disturbances but also features flexible address settings, both automatic and manual, for easy integration into any safety system. Ideal for ensuring maximum safety and reliability, this smoke detector is a must-have for any establishment. Enhance your fire safety measures today with Bosch's trusted technology. Don't wait, secure your peace of mind by purchasing now!