The CO detector is a battery-operated independent carbon monoxide (CO) alarm and with the inside carbon monoxide sensor to help protect you and your family from the dangers of CO. Specifications: Power supply: 3 pcs 1.5V AA batteries (not included) Monitor current: less than 35 uA Alarm current: Alarm concentration: 50(+/-30%)ppm of carbon monoxide gas Low-voltage warning threshold voltage: 3V +/- 0.3 V; Environment: Temperature: 0 Celsius ~~ 40 Celsius, relative humidity: 20% ~ 90% non-condensing; Alarm sound: three meters in front of more than 85 db; Mounting Type: Wall/Ceiling mount. Package Including: 2 x CO Alarm (Batteries Not Included)
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