The Spread Spectrum Horn Tone has a lower and varying frequency that makes it easier for those with hearing loss to hear the audible horn. This alarm features two latching features and two silence features. The Alarm Latch easily identifies the initiating alarm even after the alarm condition has subsided. The Low Battery Latch identifies which unit is in low battery condition by blinking the green power light. The Low Battery Silence temporarily silences the low battery chirp for up to eight hours. The Alarm Silence silences the alarm for several minutes. The alarm is interconnect able with up to 18 devices of which 12 can be smoke alarms.Features. Spread Spectrum Horn Tone makes it easier for those with hearing loss to hear the horn. Two latching features Alarm Latch and Low Battery Latch. Two silence features for low battery and nuisance alarm. 85dB solid state T3 piezo horn. T3 smoke alarm sound pattern. T4 carbon monoxide alarm sound pattern. Photoelectric smoke sensor. Electrochemical CO sensor. Optipath 360 technology patented technology provides 360 degrees of direct access to smoke sensor. Interconnect able with up to 18 devices of which 12 can be smoke alarms. Quick easy installation. Item Weight – 2 lbs.Spread Spectrum Horn Tone makes it easier for those with hearing loss to hear the horn
Two latching features: Alarm Latch and Low Battery Latch
85dB solid state T3 piezo horn
T3 smoke alarm sound pattern