The product is a smart combustible gas detector with voice prompt,microprocessor control and support displaying of the gas concentration.When the gas concentration reached the level of alarm,it will alarm with"attention please,gas leaking".It keeps the place safe from the threats of combustible gas (such as liquefied petroleum gas, natural gas,methane, etc.)The product have passed the CE & ROHS Certification and EN50194Features:Connect the detector to 90V-240V power,the red indicator light is on and voice prompt: "Welcome to use our voice gas detector,testing,please wait 3 minutes".Screen will display 3 minutes counting when the gas detector is in starting-up.Human voice prompt and high reliable semiconductor sensor.The LCD screen will display the gas concentration when over 1000PPM,and display"HHHH"when over 9999PPM.When the gas concentration is over 3000PPM,the gas detector will alarm and voice reminding:"attention please,gas leaking",and the red indicator light will flash.Keep your gas detector silently by immediately pressing the test button when non-emergency occured .The Red LED will circle flashing to remind you that the gas detector has been silenced. If the red light flash once every 10 seconds ,it means that it had entered the silent mode (in silent mode,press the button,the buzzer sound "di" 4 times.At the same time,the red light cycle flash mute off ).The alarm will automatically reset after 15 minutes.Specification:1.AC voltage AC 90V-240V 50-60Hz2.Working temperature0-50v3.Environment Humility10%-95%4.Alarm Density:3000PP±1500PPM5.Alarm time keep alarming after over 3000PPM What's Included?1 x Gas Detector1x User's Manual 1 x Colourful package box
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