OLUNCLE 2 Packs Smoke and Carbon Monoxide Detector Powered by Battery,Smoke Detector Carbon Monoxide Detector Combo with Large LCD Display, Portable Fire Alarm Smoke Detector, OL0902U Fishing Hats Green jade symbolizes longevity and

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OLUNCLE 2 Packs Smoke and Carbon Monoxide Detector Powered by Battery,Smoke Detector Carbon Monoxide Detector Combo with Large LCD Display, Portable Fire Alarm Smoke Detector, OL0902U Fishing Hats Green jade symbolizes longevity andBrand: OLUNCLE Color: White 2 Features: 2 in 1 Sensitive Alarm Both smoke and CO can be detected by smoke and carbon monoxide detector, this smoke detector carbon monoxide detector combo has a high sensitivity photoelectric sensor and an electrochemical CO sensor so that it helps have a concentration in dangerous level. Alarm and LED Indication LCD displays a real time smoke and CO concentration clearly. Once one of them reaches its alarm sensitivity,