Application: machine rooms, negative cold room stores, sales rooms, preparation rooms, food logistics and distribution centres. COMBIAlarm allows a fast and easy installation in the configuration of the device. It is also very precise to detect from 500 ppm (according to the type of gas), which guarantees a safe and efficient facility. The easiest and most efficient way to comply with current standards in your refrigerated facilities with the most complete and flexible device on the market. It is made up of a central unit with powerful acoustics and display with IP65 protection so that it can be installed in hostile environments. Up to 4 luminous emergency buttons that can be connected to be used as a single trapped person alarm or a combination of up to 2 gas leak sensors and 2 emergency buttons.