441001600001,7030BSL,Crown Supply - Providence - RI,PHOTOELECTRIC SMOKE / CO / STROBE - INTERCONNECTABLE - 10-YEAR SEALED BATTERY BACKUP - INTERCONNECTABLE AC/DC PHOTOELECTRIC/CO/STROBE - 10-YEAR BATTERY AC/DC PHOTOELECTRIC/CO/STROBE - 10-YEAR BATTERY 7030BSL STROBE SMOKE ALARM ;,BRK 7030BSL STROBE SMOKE ALARM,Security Supply