Apollo 55000-392APO AlarmSense Optical Smoke Detector and Sounder Base. The AlarmSense Optical Smoke Detector works using the light scatter principle. The detector changes to alarm state at a pre-set threshold of smoke penetration into the sensing chamber

• · Compliant with BS 5839
• · Responds well to slow-burning smouldering fires
• · 360°C visibility of LEDs
• · Reduces false alarms
• · Quick and simple installation
• · Works using the light scatter principle
• · Well suited for bedrooms and escape routes
• · Compliant with BS 5839