Smoke-Alarm & CO2 Detector

A voice will tell you the programmed location of unit and the danger detected. Other features include Spread Spectrum Horn Tone, lower and varying horn frequency makes it easier for the elderly with normal age related hearing loss to hear the horn, 2 latching features: Alarm latch: Remembers which unit initiated an alarm and low battery latch: Identifies which unit is in low battery condition. 2 silence features, can silence the low battery chirp for up to 8 hours or temporarily silence an unwanted nuisance alarm. Provides necessary hazard location information for blind or visually impared residents. 120V AC with 2 "AA" battery backup. 5 year warranty. Vermont and Oregon approved.