Battery Powered Night Hawk ® Combination Smoke / CO Alarm with Voice / Alarm Warning

When every second counts, you'll have your warnings spoken to you in a loud-volume voice: “Fire, Fire!” or “Warning! Carbon Monoxide!” Two-alarm system also announces “Low Battery” when batteries need changing. Also includes chirp signal, flashing LED & test / reset button. Uses three AA batteries (included). Power Source(s): 3 AA; Compliance, Standards: UL Listed; Mounting: Universal Mounting Bracket.