BRK First Alert SM110LED-AC Hardwired Smoke Alarm with LED Strobe Light

The BRK First Alert SM110LED-AC 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 you to better distinguish the present danger regardless of hearing loss. 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. Features Integrated smoke alarm with LED strobe light  Requires only 1 junction box  120V AC, 60Hz Hard-wire can inter-connect up to 18 devices, of which 12 can be smoke alarms  10-year sealed lithium battery backup  177 Candela LED strobe with 1Hz synchronized 60-per-minute flash rate Meets ADA, ANSI 117.1, NFPA 72 and UL STD 1971 requirements  Specs 10-year limited warranty Sealed 3V lithium battery capable of providing backup power for alarm over 10 year alarm life Weight: 0.86lbs Color: White What's Included (1) Smoke alarm with LED Strobe Hardwire Quick Plug Sealed 3V battery User Manual Documentation User Manual Spec Sheet