Gas & Carbon Monoxide Detectors-Plug in CO Alarm & Natural Gas Detector-2PACK

2 Pack Combination Gas & Carbon Monoxide Detectors - Plug in CO Alarm & Natural Gas Detector with Digital Display, CO Detector & Combustible Gas Detector for Home, Easy to Read

 Combination Gas & Carbon Monoxide Detectors - Plug and play, easy to install and easy to read.

High Sensitivity Sensors - The gas and carbon monoxide detector contains a catalytic combustion sensor and an electrochemical sensor, both of which are highly sensitive and accurate, allowing you to detect conditions in a timely manner.

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 determine and make the right choice.

9V Battery Backup - A 9V battery backup can be installed to avoid the hassle of power outages.

Combustible Gas Detection Range - LPG(Methane), natural gas, coal gas, gas fuel, artificial gas, liquefied petroleum gas, liquefied natural gas etc.

Power Saving Design - the display will turn off automatically when no dangerous gas is detected.

Tips:Package does not include 9V battery