FEATURES:
． Unique design for perfectly optical performance.
． Cool beam avoids heat degeneration.
． UV or IR free.
． The temperature is 55 centigrade of the shell surface after one hour.
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FEATURES:
． Unique design for perfectly optical performance.
． Cool beam avoids heat degeneration.
． UV or IR free.
． The temperature is 55 centigrade of the shell surface after one hour.
