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12. Precautions
• Please clean the unit with soft cotton cloth don't use the organic impregnant or chemical
clean agent. If necessary, please use a little pure water or dilute soap water to clean the
dust.
• The unit is weather resistant. However do not spray high pressure water on access control
keypad directly. Excessive moisture may cause problems with the unit.
• You must use the right adaptor which is supplied by the manufacture or approved by the
manufacture..
• Pay attention to the high voltage inside the products, please refer service only to a trained
and qualified professional.
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