Carbon Monoxide and Natural Gas Detector,Combination Carbon Monoxide and Gas Detector Plug in for Home,Bedroom,RV (2 Packs)

【Koabbit Gas and Carbon Monoxide Detector Plug in】This 2-in-1 gas detector comprises a catalytic combustion sensor and an electrochemical sensor for sensitive sensing and high accuracy, making it one of the important members of your protection home!!!
【LCD Display & 85 High Volume Alarm】When the combustible gas or carbon monoxide gas reaches a certain level, the gas detector will display the gas concentration value and sound an alarm, allowing you to quickly decide and make the right choice.
【Power Supply】 AC90-240V or 9V rechargeable battery; in the event of a power outage, the 9V rechargeable backup battery will routinely kick in to frequently give protection to your home.
【Combustible Gas Detection Range】LPG(Methane), natural gas, coal gas, gas fuel, artificial gas, liquefied petroleum gas, liquefied natural gas and so on.
【Warranty and Return Service】1 year warranty, if there is any technical problem with the product, please contact us and we can maintain it as soon as conceivable.