Best-Selling Carbon Monoxide Detector Removed From Amazon and eBay Because It's Defective

Consumer protection group Which? tested four alarms sold through the online marketplaces, and found that most of them didn’t work as claimed.

from gizmodo http://www.gizmodo.co.uk/2018/06/best-selling-carbon-monoxide-detector-removed-from-amazon-and-ebay-because-its-defective/