Universal Security Instruments Recalls Combination Photoelectric Smoke & Carbon Monoxide Alarms Due to Risk of Failure to Alert Consumers to Hazardous Levels of Carbon Monoxide

The alarms can fail to alert consumers to the presence of a hazardous level of carbon monoxide, posing a risk of carbon monoxide poisoning or death. Carbon monoxide (CO) is an odorless, colorless, poisonous gas.