Laser Diode LD Drive boar Adjustable current driver board 1W 1.4W 2W Blue 445nm 450nm 473nm 5.5V boost circuit 3.7V

Laser Diode LD Drive boar Adjustable current driver board 1W 1.4W 2W Blue 445nm 450nm 473nm 5.5V boost circuit 3.7V
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sku: 1005004461022532
$8.96
Shipping from: China
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