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pyleaudio .com WARNING: * To prevent fire or shock hazard, do not expose the unit to rain or moisture * To avoid electrical shock caused by the risk components and radium laser set, do not open the cabinet. Refer servicing to qualified personnel only. PRECAUTIONS: * Tins is a professional high-end home appliance that contains a large scale of integrated circuit and laser set * To extend the usage time, keep the interval between the open and the close of the unit no less than 10 seconds. *