638nm Laser System Red Laser Beam

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It is a 6W red semiconductor laser system. The laser head added a radiator, support longer continous work. The radiator is composed of aluminum sheet and cooling fan. There are CW/TTL/Analog 3 working mode. Its high power red laser beam, we need wear protective glasses.0~6 watt laser power can be adjusted by the button. Let's check it now.

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