Kidde Firex Hardwired Smoke Detector with Photoelectric Sensor and 9-Volt Battery Backup 21029883 - The Home Depot

The Kidde FireX P12040 Hardwire inter connectable Photoelectric Smoke Alarm with Battery Backup can act as a stand-alone unit or can be integrated

The Kidde Firex Combination Smoke & Carbon Monoxide Detector uses a 120-V AC power source with one nine-V alkaline battery as backup so your home is

Kidde Firex Smoke & Carbon Monoxide Detector, Hardwired with nine-V Battery Backup & Voice Alarm, 3-Pack 21029901 - The Home Depot

Kidde Firex Smoke Detector, Hardwired with 9-Volt Battery Backup & Front Load Battery Door, Adapters Included, Smoke Alarm 21029886 - The Home Depot

Kidde Firex Battery Operated Digital Carbon Monoxide Detector 21030262 - The Home Depot

Kidde Firex Hardwired Smoke Detector with Photoelectric Sensor and 9-Volt Battery Backup 21029883 - The Home Depot

Kidde Firex Smoke & Carbon Monoxide Detector, Hardwired with nine-V Battery Backup & Voice Alarm, 3-Pack 21029901 - The Home Depot

Kidde Firex Hardwired Smoke Detector with Photoelectric Sensor and 9-Volt Battery Backup 21029883 - The Home Depot

Kidde Firex Hardwired Combination Smoke and Carbon Monoxide Detector with Adapters and Voice Alarm 21029718 - The Home Depot

Kidde Firex Smoke Detectors - The Home Depot

Kidde Firex Smoke Detector, Hardwired with 9-Volt Battery Backup, Smoke Alarm, 6-Pack 21005927 - The Home Depot