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original wrapper may result in damage on the device and the company shall not take any
responsibilities.
● Do not drop the product or subject it to physical shock. Keep the device away from magnetic
interference.
Power Supply
● Input voltage should meet the Limited Power Source (5 VDC, 2 A) according to the IEC62368-1
standard. Please refer to technical specifications for detailed information.
● Make sure the plug is properly connected to the power socket.
● DO NOT connect multiple devices to one power adapter, to avoid over-heating or fire hazards
caused by overload.
● Use the power adapter provided by qualified manufacturer. Refer to the product specification
for detailed power requirements.
Battery
● The built-in battery cannot be dismantled. Please contact the manufacture for repair if
necessary.
● For long-term storage of the battery, make sure it is fully charged every half year to ensure the
battery quality. Otherwise, damage may occur.
● Use the battery provided by qualified manufacturer. Refer to the product specification for
detailed battery requirements.
● CAUTION: Risk of explosion if the battery is replaced by an incorrect type.
● Improper replacement of the battery with an incorrect type may defeat a safeguard (for
example, in the case of some lithium battery types).
● Do not dispose of the battery into fire or a hot oven, or mechanically crush or cut the battery,
which may result in an explosion.
● Do not leave the battery in an extremely high temperature surrounding environment, which
may result in an explosion or the leakage of flammable liquid or gas.
● Do not subject the battery to extremely low air pressure, which may result in an explosion or
the leakage of flammable liquid or gas.
● Dispose of used batteries according to the instructions.
Maintenance
● If the product does not work properly, please contact your dealer or the nearest service
center. We shall not assume any responsibility for problems caused by unauthorized repair or
maintenance.
● Wipe the device gently with a clean cloth and a small quantity of ethanol, if necessary.
● If the equipment is used in a manner not specified by the manufacturer, the protection
provided by the device may be impaired.
Using Environment
● Make sure the running environment meets the requirement of the device. The operating
temperature shall be -30°C to 55°C (-22°F to 131°F), and the operating humidity shall be 95%
or less.
● DO NOT expose the device to high electromagnetic radiation or dusty environments.
● DO NOT aim the lens at the sun or any other bright light.
Emergency
● If smoke, odor, or noise arises from the device, immediately turn off the power, unplug the
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