The Kidde KIDI9080UKC smoke alarm has a hush button feature to temporarily silence nuisance alarms e.g. cooking or steam. It has a loud alarm with a flashing light which indicates that the alarm is operating and a test button is available for checking the alarm is working correctly. The alarm also has a hallways test light (emergency escape light) for assisting persons in the event of a fire and comes with a 5 year warranty.