BRK Model 7010BSLA is an ADA hearing impaired strobe light specifically designed for residential and institutional applications including sleeping rooms of hospitals, hotels, motels, dormitories, and other multifamily dwellings as defined in standardNFPA 101.BRK Model 7010BSLA is a state of the art Strobe Light designed to provide hearing impaired individuals with a visual warning of a fire or a carbon monoxide danger whenused with smoke, heat or carbon monoxide alarms. The Smart Strobe has separate flash patterns to distinguish between smoke/heat and carbon monoxide dangers. These different patterns are to help a hearing impaired person better distinguish the danger present.The 7010BSLA operates on 120V AC and features a green LED that signals the unit isreceiving power. Interconnectable with up to 18 devices, of which 12 can be smoke alarms. Model 7010BSLA was designed with quick and easy installation in mind.Designed to cover most drywall cut-outs, the specially designed mounting bracketmounts on any electrical box up to 4" octagonal and does not require screw removal.Connection to AC power is made with a “Quick-Connect” wiring harness.