Combination Smoke Carbon Monoxide Detector Gas Fire CO Alarm with Display

Home Security LCD Carbon Monoxide Detector CO GasSensor Warning 85dB-up Poisoning Alarm High Sensitivity DetectorDescription:Keep your family safe with this battery operated smoke and carbon monoxide alarm; battery powered alarms provide continuous monitoring of CO levels, even if theres a power failure.Features an electrochemical Carbon Monoxide sensing technology as well as a photoelectric sensor that detects the larger particles of a smoldering fire.Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85dB siren provides a clear, loud warning upon detection.Battery-operated unit installs quickly and easily without an electrician,Can connect to other compatible detectors, to ensure all alarms will sound when threat is detected.Simple to use, A single button tests the unit or silences the alarm. Low battery signal mute, quiets low battery signal for up to 8 hours.Feature:1. LCD displayer with blue back ground light2. high decibel alarm 853. Permanent carbon monoxide sensor4. powered by 3 AA 1.5 V batteries5. The alarm sound pattern is four short alarm beeps.Red LED blinks while in alarm mode6. A lsquochirprsquo; every 30 seconds is an indication that the battery is weak (need to replace) (green LED still flashes once every 30 seconds) or the unit is defective (green LED is off).7. Alarm memory feature: if the unit already frightens by pressing the button, green LED will blink once every second for one minute and the peak alarm l