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

Universal Security Instruments Battery Powered Mini Smoke and Fire Detector

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

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

10-Year Battery Powered Mini Smoke and Fire Detector with Photoelectric Sensor

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

10-Year Battery Powered Mini Smoke and Fire Detector with Photoelectric Sensor

10-Year Battery Powered Mini Smoke and Fire Detector NEW COMPLETE