System Sensor Smoke Alarm: Smoke, Hardwired, Smoke Detector, Photoelectric, Hardwired Model: 2W-B

Firex Hardwired Smoke Detector With Ionization Sensor And Adapters

Smoke Detector, Hardwired Interconnected Smoke Detectors, Smoke Alarm With Replaceable 9V Battery, Interconnects Up To 12 Fire Alarms Smoke

Smoke Detector, Hardwired Interconnected Smoke Detectors, Smoke Alarm With Replaceable 9V Battery, Interconnects Up To 12 Fire Alarms Smoke

Smoke Detector, Hardwired Interconnected Smoke Detectors, Smoke Alarm With Replaceable 9V Battery, Interconnects Up To 12 Fire Alarms Smoke

USI Smoke Detector & Fire Alarm W/ Ionization Sensor, Hardwired (USI 5304)

X-Sense Hardwired Combination Smoke And Carbon Monoxide Detector, Hardwired Interconnected Smoke And CO Detector Alarm With Replaceable Battery

X-Sense AC Hardwired Combination Smoke And Carbon Monoxide Detector, Hardwired Interconnected Smoke And CO Detector Alarm With Replaceable Battery

X-Sense Hardwired Combination Smoke And Carbon Monoxide Detector, Hardwired Interconnected Smoke And CO Detector Alarm With Replaceable Battery

X-Sense Smoke Detector, Wireless Interconnected Smoke Alarm With 10-Year Battery Life, Wireless Smoke Detector, SD20-W, Pack Of 3