User's Manual

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Remark: where outdoor temperature is lower than -20˚C, make sure proper type of batteries to be used to
assure that the device can get enough power to maintain its function properly. Normal alkaline batteries is not
allow to be used since when outdoor temperature is lower than -20 ˚C, the battery’s discharging capability is
greatly reduced.
Please help in the preservation of the environment and return used batteries to an authorized depot.
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Changes or modifications not expressly approved by the party responsible for compliance could void the user's
authority to operate the equipment.