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5 In 1 Portable CO2/HCHO/TVOC Tester Air Quality Monitor Temperature and Humidity Sensor Carbon Dioxide Formaldehyde Detection US$24.99 View It

Overall:

Mchl 12/01/2022

This is my second one, so I need not say I am happy with the product.

Comments (2)

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BG181817385 hello,may I know, if it has some backlight ,or it turns the light off , when you dont use it-if you might for example do some photos? thanks.
Reply 14/01/2022

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BG181817385 mayI know, does it light (like usually electronic) lights, even you "dont" use it.. or there is no
Reply 14/01/2022

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