Description520nm 30mW ACC 3-5V Boost Laser Circuit Board Laser Diode Driver Board Power SupplyThe 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!Input Voltage：3-5VOutput Voltage：4-6VOutput Current：＜240mAWavelength：450nm 520nm Blue Green Laser
