The RSA-400 is reasonably priced. A similar USI smoke and CO detector costs $50, plus the $35 Roost. The RSA-200 is less so, as a USI detector that just smells smoke is only $12.

Universal Security Instruments Inc. recalled 8,000 units of its 2-in-1 Photoelectric Smoke & Fire + Carbon Monoxide Alarms, which "can fail to alert consumers to the presence of a hazardous level ...

Consumer Reports’ lab tests reveal a performance problem with the USI Electric MPC122S smoke, fire, and carbon monoxide alarm.

The USI Electric MPC122S Combination Smoke & Carbon Monoxide Detector might alarm too quickly, too late, or not at all, when exposed to carbon monoxide, according to tests conducted by Consumer ...

The recall involves two models and two date codes of Universal Security Instruments 2-in-1 Photoelectric Smoke & Fire + Carbon Monoxide alarms. Model MPC322S has 10-year sealed batteries and a ...

By Daniel Wroclawski. Universal Security Instruments, which also uses the brand name USI Electric, has recalled about 8,000 combination smoke and carbon monoxide detectors, which can fail to alarm ...

Consumer Reports shares details of Universal Security Instruments' recall of the MPC322S and MPC122S smoke and CO detectors due to their failure to alarm at dangerous carbon monoxide levels.