The BRK Brands, Inc. Model Number 7010BSL is a wire-in, 120V AC 60Hz single and/or multiple station photoelectric smoke alarm with integrated 177 candela strobe light specifi cally designed for residential and institutional applications including sleeping rooms of hospitals, hotels, motels, dormitories and other multifamily dwellings as defi ned in standard NFPA 101. Model 7010BSL complies with UL217, UL1971, CSFM, NFPA 72, HUD, FHA and other agencies that model their codes after the above agencies. They meet building codes where AC with battery backup, silence, photoelectric smoke alarms are required. The alarms are interconnectable with up to 18 devices, of which 12 can be smoke alarms.