Stand-alone CO gas (fumes) sensor FA370 inform in advance about the possibility of an increased concentration of CO gas in existing premises. Designed for use in homes, garages, warehouses and so on. where the temperature is not lower than -10C. 2 years warranty. Battery life up to 1 year. Sensor lifetime - 7 years. The sensor does not need to disassemble and take care of the battery change over an operating period. This product can be found by a unique code - FA370.