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
USI 3-in-1 Smoke, Photoelectric and Ionization Fire and Carbon Monoxide Smart Alarm with 10 Year Sealed Battery, 85 Decibels - Walmart.com