Kidde has issued a recall for over 5 million combination smoke/carbon monoxide (CO) alarms in the United States and Canada, the U.S. Consumer Product Safety Commission said in a press release.

The company is recalling 3.6 million Kidde NightHawk talking combo smoke/CO alarms in the U.S. and another 1.5 million in Canada. Alarms with the model number KN-COSM-IB and manufacture dates between June 1, 2004 and Dec. 31, 2010 come under the recall.

On reaching its seven-year shelf life, if the batteries are replaced, the alarm can fail to chirp when the need arises. People can be led to believe that it is still operational when in reality it is not, exposing them to risks related to fire or carbon monoxide issues in their homes.

Kidde has received eight reports of incidents involving the recalled China-manufactured alarms but no injuries have been reported, according to the release.

The alarms, which were sold at stores across the nation as well as online at Amazon.com between June 2004 and Dec. 2010, have to be put out of use immediately. The company can be contacted for a free replacement or discount on a new alarm, depending on the date of manufacture.

Consumers can call Kidde at 855-239-0490 from 8 a.m. to 5 p.m. EST, Monday through Friday, or visit the company’s website at  www.kidde.com.