250MW laser power DIY mini laser engraving machine,Mini marking machine,DIY For Sale -
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250MW laser power DIY mini laser engraving machine,Mini marking machine,DIY:
$25.00
Output: 200-250 MW
Voltage: 3-5 VDC
Electric current：< 300 mA
Diameter：0.48 Inch(12 mm)
Length: 1.8 Inch(45 mm)
Mode of connection: Red for positive, black for negative
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