First Alert 1039839 Wireless Interconnected Smoke & Carbon Monoxide Alarm with Voice & Location

• Model number SCO501CN3ST;• Battery-operated smoke & carbon monoxide alarm can be installed anywhere;• Connects multiple alarms together for wireless safety network;• Voice alarm gives clear indication of where the problem is located;• Features photoelectric smoke sensor & electrochemical carbon monoxide sensor;• Loud 85dB alarm;• 1 button silences a false alarm & tests the unit;• 7-year limited warranty;• Includes 2 AA batteries & mounting bracket;