• Brand Name | First Alert

First Alert brand. Silencer button can hush detector for 3 minutes when it alarms from cooking. Safe and easy to test. Single button silence test. Locking features lock battery drawer and lock to base. 9V battery included. Has ionization sensor, 30 day low battery signal. Easy installation. 10 year limited warranty. Clamshell package. UL listed. Not for sale in Vermont or Oregon.