5-5/8" Smoke and Carbon Monoxide Alarm with 85dB @ 10 ft., Horn Audible Alert; 9V

TECHNICAL SPECS ItemSmoke and Carbon Monoxide Alarm Detection MethodIonization, Electrochemical Interconnection CapabilityNo Power Source9V Audible Alert85dB @ 10 ft., Horn Visual AlertRed LED Diameter5-5/8" Height2" Digital ReadoutNo Battery BackupNo Hush ButtonYes Test ButtonYes Locking PinYes Operating Temp.40 Degrees to 100 Degrees F StandardsUL2034, NFPA101, NFPA720 IncludesMounting Hardware Manufacturers Warranty Length10 Year Limited   PRODUCT DETAILS This smoke alarm responds best to fast-raging fires. The Test/Reset button function tests alarm circuitry, alarm activation, and peak level memory. It features visual indicators for alarm and power-on, and provides alarm function during a power outage. Voice warning announces "Fire," "Carbon Monoxide," or "Low Battery." Adjustable smoke sensitivity helps reduce nuisance alarms. Easy installation.