The circuit board is a precision component. After receiving the package, it supports 7 days without reason to return the product without opening the original package. After the original package is opened, no return is provided. After sale, please consider whether you have the ability to install it manually before purchasing. Do not purchase if you do not have the ability to install! Our company does not provide trial play/trial loan/trial service. Thank you for understanding!

1W 445nm Laser Diode LD Driver Power Supply with TTL 12vdc

1W 445nm Laser Diode LD Driver Power Supply with TTL 12vdc