The First Alert
CO710 is part of the
Smoke & Carbon Monoxide Detectors test program at
Consumer Reports. In our lab tests, Carbon Monoxide Detector
models like the CO710 are rated on multiple criteria, such as those
listed below.
High CO levels:
A high score means the model reacts quickly to High 400 ppm levels of consistent carbon monoxide. Top-scoring models help keep you safe by sounding an alarm before gas builds up.
Low CO levels:
A high score means the model reacts quickly to low 70 ppm levels of consistent carbon monoxide. Top-scoring models help keep you safe by sounding an alarm before gas builds up.
Display/voice:
Display/voice rates the accuracy of the CO level either displayed digitally or conveyed by voice message.