The First Alert SCO7CN battery-operated combination smoke and carbon monoxide alarm with voice and location delivers both smoke and carbon monoxide .
Smoke & Carbon Monoxide Alarm with Voice & Location, Battery Operated. Twist-lock mounting system makes installation and battery replacement easy.
The First Alert PRC710V combination photoelectric smoke and carbon monoxide alarm with a 10-year battery and voice and location helps protect your home .
The First Alert SCO5CN combination smoke and carbon monoxide alarm detects both smoke and carbon monoxide in a single detector. This alarm is battery .
First Alert Child Awakening Combo Smoke & CO Alarm with Voice Location Feature. to replace without removing the alarm from the ceiling to change a battery.
First Alert Smoke Detector and Carbon Monoxide Detector Alarm Battery Operated,. so you know when it's time to replace the unit for safety; all First Alert alarms are. . Combination Smoke and Carbon Monoxide Alarm with Voice Location .
First Alert SCO5CN Battery Operated Combination Carbon Monoxide/Smoke Alarm. Smoke and carbon monoxide detector with voice alarm; Talking alarm. drawer that allows you to replace the batteries without dismounting the alarm.