FireAngel SB1-T Optical Smoke Alarm

1 Year Replaceable Battery. This SB1-T optical smoke alarm is ideal for grade F2 installations where cost is a priority. Optical alarms are recommended in the British Standard BS 5839-6 for installation in circulation areas such as hallways and landings.The optical smoke sensing chamber works by 'seeing' smoke as it enters the alarm - making it perfect for slow-burning fires where there is thick white smoke.

• Battery-powered optical smoke alarm
• 9V replaceable battery
• Resistant to nuisance alarms
• 85dB alarm (3 meters)
• Test/Silence
• Low battery warning
• Battery lifetime approx 1 years
• 3-year warranty (not including replaceable batteries)