Keyring device could save you from silent killer

You can’t see it, smell it or taste it but, in high enough concentrations, it can kill you within minutes. It’s carbon monoxide (CO), and it’s America’s leading cause of accidental poisoning, with an estimated 400 deaths and 20,000 emergency ward admissions annually. The Pocket CO, the world’s smallest renewable carbon monoxide detector, will not only immediately alert you to dangerous levels of CO, but also calculate your exposure on a daily basis.

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