switchbot co2 detector, air quality monitor indoor, co2 monitor for co2/temp/humidity, portable carbon dioxide detector for home/car/office/greenhouse (alexa-enabled meter pro co2) is up for auction in Home & Kitchen. The current bid is $1.00, 99% below the $71.39 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.