Universal Security Instruments 1204 Wire-In Smoke Alarm with Battery Backup (6 Pack)

Universal Security Instruments 1204 Wire-In Smoke Alarm with Battery Backup

Universal Security Instruments 1204 Wire-In Smoke Alarm with Battery Backup (2 Pack)

Universal Security Instruments 1204 Wire-In Smoke Alarm with Battery Backup (4 Pack)

USI Electric MICN109 Hardwired 3-in-1 Smoke, Carbon Monoxide and Natural Gas Alarm

USI Electric MCN108 Hardwired 2-in-1 Carbon Monoxide and Natural Gas Smart Alarm with Battery Backup

USI Electric MDSCN111 4-in-1 Universal Smoke Sensing Technology Hardwired Smart Alarm

Universal Security Instruments USI-1209 120-Volt AC/DC Wired-In Ionization Smoke and Fire Alarm

BRK Brands CO5120BN Hardwire Carbon Monoxide Alarm with Battery Backup

Kidde KN-COB-IC Hardwire Carbon Monoxide Alarm with Battery Backup, Interconnectable