Create wireless links with other smoke and carbon monoxide alarms with the press of a button. Voice alarm can be easily programmed with alarm's location within the home (11 pre-programmed choices). Voice also notifies which hazard is being sensed. When one alarm sounds; they all sound for maximum home protection. Photoelectric smoke sensor reduces nuisance alarms from normal smoke or steam. Easy access to battery drawer: no need to take down alarm to change battery. 7-year limited warranty. Meets UL standards.
* This product is intended for non-professional do it yourself installation. If you would like information about a professionally installed and monitored system, please contact First Alert Professional at 1-800-921-6025. First Alert Professional is not affiliated with BRK Brands, Inc.