1W 1.6W 2W 445/405 / 520nm blue, green and purple 12V step-down constant current drive circuit TTL modulation Image

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  • 1W 1.6W 2W 445/405 / 520nm blue, green and purple 12V step-down constant current drive circuit TTL modulation Image
  • 1W 1.6W 2W 445/405 / 520nm blue, green and purple 12V step-down constant current drive circuit TTL modulation Image
  • 1W 1.6W 2W 445/405 / 520nm blue, green and purple 12V step-down constant current drive circuit TTL modulation Image
  • 1W 1.6W 2W 445/405 / 520nm blue, green and purple 12V step-down constant current drive circuit TTL modulation Image