Smoke Detectors
251581 Optical Smoke Alarm
The optical smoke alarms are powered by 230V AC directly from the mains and they also have 9V alkaline batteries as a backup in case of mains failure. These smoke alarms generates 85dB pressure sound.
Overview
The optical smoke alarms are powered by 230V AC directly from the mains and they also have 9V alkaline batteries as a backup in case of mains failure. These smoke alarms generates 85dB pressure sound.
