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Smoke and Carbon Monoxide Detector, Smoke Detector Carbon Monoxide Detector Combo, Dual Sensor Smoke CO Alarm with Test/Silence, Photoelectric Fire Alarm and CO Detector with Replaceable Battery
2 in 1 Protection The combined smoke and carbon monoxide detector is equipped with an electro-optical smoke sensor and an electrochemical CO sensor that operate independently of each other. It detects both smoke and co, making your home safer by providing the ultimate protection against two deadly threats. Voice alarm The e voice system can help you quickly understand the danger, orderly evacuation. Carbon monoxide (CO) alarm pattern is four quick beeps with voice “Warning! Carbon Monoxide, evacuate repeating every 5 seconds. Smoke alarm pattern is three long beeps with voice Fire!, and three long beeps repeating. 

Price is $36.00

Price: $35.99