The detector is available with service alarm.
PRO-SDD is an optical smoke detector for mounting in all types of premises. It reacts to visible smoke particles (products of combustion). The detector consists of a detector head and a base. Compact plastic casing. The base has bajonette grip to simplify service and maintenance.
The detector is available with service alarm that is used to alert for the need for cleaning and to prevent the risk of false alarms due to a dirty detector.