The Firex 5000 smoke alarm provides contractors with the ultimate in innovative technology and contractor preferred features; Front loading battery door with powerlink tab: Preserves battery life and makes battery changes simple; Quick quiet false alarm control: Quiets non-threatening alarms and discourages battery removal; Latching LED: A red LED flashes until reset for quick, clear identification of the initiating smoke alarm in an interconnected system; Visible low battery: Indicator Helps locate chirping unit: Ramp-up test horn: Allows you to test the unit without the ear-piercing horn; 9V battery backup; 10-YR limited warranty |