USI 9V Battery Powered 976LR Ionization Smoke and Fire Alarm Case of 6
USI Hardwired 2-in-1 IoPhic Universal Smoke and Fire Detector - MDS107
Universal Security Instruments Recalls Combination Photoelectric Smoke & Carbon Monoxide Alarms Due to Risk of Failure to Alert Consumers to Hazardous Levels of Carbon Monoxide | CPSC.gov
Universal Security smoke alarms recalled for activation failure | king5.com