Surearly SMART

Please touch what you're curious about.
Service
Please touch what you're curious about.
Test
It's most likely a battery problem!
1.
Please make sure the battery is plugged in correctly. When removing the battery grooves from the instrument - the markings must be mounted facing the top.
2.
If the battery is installed normally, press the power button for more than 2 seconds.
If the battery is plugged in normally but the power does not turn on Replace it with a new battery (model CR2032). Nevertheless, if the power does not turn on, please contact us.
Device
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