
This gas analyzer is made of lightweight plastic, although the neck is made of strong metal. It comes with a single sheet of instructions that are easy to read and understand. Also included is a vinyl carrying case. It is powered by 3 AAA batteries which are not included. I ran it quickly and found no gas leaks in my house. The number stayed at 0. This gas detector can also measure temperature. You can put it next to something hot or cold to get an accurate reading. I checked my corridor: 74.6 degrees Fahrenheit. If you prefer, it can also be displayed in degrees Celsius. Made in China.

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