Optical Alarm Alkaline Battery

Keep your cafe, bar or restaurant safe with this Kidde optical smoke alarm. The alarm functions at temperatures of 0-40ºC and is operated by an optical sensor, which gives it superior smoke detection qualities. It also features a 'hush' control that allows non-emergency alarms, such as those caused by cooking or steam, to be temporarily silenced. Easy to install and use, the Kidde optical smoke alarm comes supplied with a 9V battery as its power source. At the end of its ten-year lifespan, the alarm will notify you automatically that it is time to replace the unit. Ten-year sensor life. Includes 9V battery