500,000 smoke alarms recalled because they might not let you know there's a fire

Kidde posted a recall of 452,000 dual sensor smoke alarms in the United States and 40,000 in Canada on Wednesday for the most basic reason: They might not let you know there’s a fire starting in your home. The full explanation of the problem with models PI2010 and PI9010, as stated in the U.S….
Source: Morningcall