New Red Laser Head 650nm 5mW 5V, Copper Semiconductor Laser Tube, 6mm Dot for precise red light output Brand unspecified; product name: Laser Head 650nm 5mw 5v, copper semiconductor laser tube Key specs: red light, 650 nanometers, 5 milliwatts, input voltage 5 volts, 6mm dot output Condition: new Compatibility/usage details: compatible with copper semiconductor laser setups as described; multiple shipping options include Priority Mail, Registered Mail, and Express Courier .
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