Compact and lightweight battery-powered CO alarm, provides essential protection against the dangers of deadly carbon monoxide and provides continuous monitoring of CO levels with built-in 10-year sensor. Multifunction green and red LEDs to indicate power and alarm status. • Standalone • AA Alkaline Batteries Supplied • 85dBA Alarm at 3m • Test/Hush Button • Multi-Function LED Indicators • 10-Year Electro-Chemical Sensor
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