Linear introduces market’s first UL-listed, battery-operated RF-based carbon monoxide detector

Sounds like a good product, but can someone please tell me the significance of ‘UL listing’? It’s mentioned so often it must be important, but it’s unexplained in the press release. Follow-up note Can it be Underwriters Laboratories, the “U.S…. Read moreLinear introduces market’s first UL-listed, battery-operated RF-based carbon monoxide detector