10-Year Battery Powered Smoke and Fire Detector with Ionization Sensor

9 Volt Battery Operated Smoke Detector with Photo-e Sensor

Universal Security Instruments 9-Volt Battery Operated Smoke and Fire Alarm

Universal Security Instruments Hardwired & 1-Year Battery Backup Smoke Detector

USI/SM/10YR/MINI Smoke & Fire Detector, 10-Year Battery, Photoelectric Sensor

USI Hardwired and 10-Year Battery Backup Smoke Detector with Ionization Sensor

UNIVERSAL 10-Year Battery Powered Smoke and Fire Detector with Ionization Sensor

NIB - Vintage 1995 Code One React 9V Battery Operated Smoke Alarm Item No. 0119