CO2 Laser Tube Power Meter Handheld 0-200W Upgraded High Accuracy for Engraving

It is not contain the Button Battery. DHL/UPS don't allow any Battery inside the package,so we can not put the Button Battery in the package. You need to purchase the Button Battery in your local market. Used for CO2 Laser Tube Display 4 numeric LED display MPN Does Not Apply Brand cloudray Battery 3V/3.6V, 2032 button batteries Measure Range 0-200W Tolerance ++++++++++++++++++++++++++++++++ /- 3% within the central section Plug Type No Battery（need to purchase the Button Battery by yourself） .

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