USI Electric 5304 Hardwired Ionization Smoke & Fire Alarm 120V w/ Battery Backup

USI Electric 5304 Hardwired Ionization Smoke & Fire Alarm 120V w/ Battery Backup

USI Electric 5304 Hardwired Ionization Smoke Detector and Fire Alarm NEW

USI Electric 5304 Hardwired Ionization Smoke & Fire Alarm 120V w/ Battery Backup