Carbon monoxide (CO) alarm

Carbon monoxide (CO) alarm.   Specification: Power supply: DC 4.5 VA (AA 1.5V*3) battery Sensitivity setting: conforms to EN 50291-1:2010+A1:2012 standart 50PPM - between 60 to 90 min. 100PPM - between 10 to 40 min. 300PPM - less than 3 min. Standby current: <20uA (average) Alarm current: <45mA (average) Operation ambient condition: -10~ +40°C, 30~95% non-condensing Storage/transport ambient condition: -20~ +50°C, 10~95% non-condensing Sensor type: electrochemical Product life: 7 years Sensor range: 0~1000PPM Alarm around: >=85dB at 100cm @3.4+-0.5KHz pulsing alarm  Warranty: 24 months  Importer: Eurodigital, EU