12V step-down constant current driver board Blue green l 500mW-700mW-1W-1.2W-1.6W-2W laser diode universal 2A with TTL modulation
[Specification]
Input voltage: 12V
Output Voltage: Adjustable
Output Current: 2A max
TTL modulation: 0-5V, 0-20KHz
Size: 30mmX30mm
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