Brk Smoke Alarm with LED Strobe 7020BSL

The BRK 7020BSL alarm features a photoelectric smoke sensing chamber an integrated 177 LED candela strobe light an 85dB horn and sealed 3V lithium battery capable of providing backup power for alarm over 10 year alarm life. The Strobe Light is designed to provide deaf hard of hearing individuals with an effective visual warning of a fire. The Smart Strobe has separate flash patterns for smoke/ heat and carbon monoxide dangers when connected to a First Alert CO alarm. This helps a hearing impaired person better distinguish the present danger. The 177 candela LED strobe meets UL 1971 requirements and flashes at a rate of an average of 60 times a minute. The LED flash is also synchronized so when multiple units installed strobes flash in unison.Alarm latch for initiating unit Low-battery visual indicator Interfaces directly with its own brand of interconnectable smoke and CO alarms