Plug-in Carbon Monoxide Detector with Real-time CO Display and Temperature and Humidity Monitor, Suitable for Home, RV, Apartment, Indoor air Safety Plug-in CO Compact Alarm Steam Cleaner & Steam Mop Accessories The alone operation becomes a

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Plug-in Carbon Monoxide Detector with Real-time CO Display and Temperature and Humidity Monitor, Suitable for Home, RV, Apartment, Indoor air Safety Plug-in CO Compact Alarm Steam Cleaner & Steam Mop Accessories The alone operation becomes aAbout this item ?? ???? ?? ???????????? ???????????????? ????????????????Plug in multi function carbon monoxide detector can monitor the current air CO concentration, humidity and temperature in real time,making it an ideal safety tool for both home and travel. The CO Detector Range: 0~2000PPM (5%PPM), Humidity Range: 0%~99%RH (5%RH),Temperature Range: 1~176 (4). ???????? ???? ??????Plug and play, savinglation time. Just plug it into a standard power