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stainless steel shell, please also avoid the organic solvent damage to the instrument.
4. Do not use scouring or scraping in the way of cleaning, or easy to cause irreversible
damage to the instrument.
5. If you wish to use the cleaning method not mentioned above, consult the manufacturer
or agent to determine if the method used will damage the instrument.
6. The display shows that when the battery power is low (the battery is displayed as
empty), it indicates that the battery is low and must be used after charging. If forced air is
used, the battery life will be shortened.
7. When the device is not in use for a long time, it should be placed in the box when it is
fully charged.