Support continuous light output working mode and can work for long time. This module comes with power adapter for convenient use. Suitable for industrial laser engraving machine equipment, great for DIY laser engravers. 1 x AC Adapter with US plug.Customer feedback is very important to us. We will give you a satisfactory answer. E strive to satisfy every customer. We will do our best to solve your problem. You have any questions, Please contact me. We will reply to you within 12 hours. The item "15W Laser Head Engraving Module 450nm Blu-ray withTTL Wood Marking Cutting Tool" is in sale since Thursday, April 12, 2018. This item is in the category "Business & Industrial\Printing & Graphic Arts\Screen & Specialty Printing\Engraving". The seller is "up-parts" and is located in Newark, New Jersey. This item can be shipped worldwide.