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preventive wrist strap is in good contact with the skin to avoid
potential safety hazards.
Switch only can work normally under the correct power
supply. Please confirm that the power supply voltage matches the
voltage indicated by the switch.
Before powering on the switch, please make sure that
the power circuit is not overloaded, so as not to affect the normal
operation of the switch and cause unnecessary damage.
To avoid the risk of electric shock, do not open the case
while the switch is working, even if it is not charged, do not open
it yourself;
Before cleaning the switch, first pull out the power plug
of the switch. Do not wipe with a moist fabric. Do not use liquid to
clean.
humidity
In order to ensure long-term stable operation of the switch and
prolong its service life, please maintain a certain temperature and
humidity in the environment. Too high or too low ambient
humidity is likely to cause leakage, deformation and even
