iMeistek Smoke and Carbon Monoxide Detectors, Combination Smoke and Carbon Monoxide Alarms for home,with Digital Display,EN 50291 &EN14604 Approved.3PCS

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  • Note If the CO concentration detected exceed 20PPM and no more than alarm setting concentration(50PPM-300PPM), the LCD shows real-time concentration value and CO, PPM symbol, the device will not alarm.
  • Real-time Display large LCD screen, standby status will also always display the concentration, you can know the working status of the alarm in real time.smoke alarm sensitivity is 0.25dB m. carbon monoxide detector sensitivity Setting range is 50PPM-300PPM
  • Product Features End of life warning(combo alarm max life is 10 years), Low voltage (2 x 1.5AA batteries included), self-test and mute modes etc. when the life of fire alarm ends, it will have a prompt ( LCD displays End ,the yellow indicator light flashes 3 times every 50s and the buzzer beeps 3 times).

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