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COCO-VISION 808L Plug-In Combustible Gas Detector Alarm Sensor with Voice Warning

Digital LCD Display and Human Voice Prompt, DC 9V by Battery Not Included

High Reliable Catalytic Combustion Method and Gas Concentration Displaying (PPM)

Auto Low Battery Warning, Intelligent Microprocessor Control, and Alarm Memory Function

Power Supply From AC 9V-240V or 9V Rechargeable Battery, and Auto detect sensor failure

When a dangerous level of gas is detected, the red light will pulse and a loud alarm pattern will sound.