SITERWELL AC Smoke Detector, 10-year Smoke Detector with Test Button and Silence Function, Smoke Alarm with Interconnection Alarm Mode and Photoelectric Sensor for Home, UL Listed, GS517, 4PACK - Walmart.com
Kidde 10 Year Worry-Free Hardwired Smoke Detector with Voice Alarm and Ambient Light Ring 21029894 - The Home Depot
FireX Kidde I4618 AC/DC - Smoke Alarm 120V Direct Wire with Battery Back-Up
SITERWELL GS517 Hardwired SMOKE DETECTOR SMOKE ALARM AC Powered HOME SAFETY LOT | eBay
Kidde Firex Smoke Detector, Hardwired with Battery Backup & Front-Load Battery Door, Smoke Alarm 21029877 - The Home Depot
BRK 9120B Hardwire Electric Smoke Detector 120 V AC with 9V Battery Backup