Please carefully read this statement before buying this item. This is an industrial-use/stage lighting electronic component or replacement part for laser machine or device, like laser engraving machine,laser marker, cosmetic equipment, research or labotory apparatus etc.. This item is only intended for use only by professionals, trained operators, laser manufacturers or other qualified users. Any individual or company who buy this item to build or produce laser product, please be sure your products are in compliance with FDA regulations:21CFR1040.10.