Check the listing for details. Adjustable Focusable 20mw 405nm Violet Blue Laser Diode Dot/Line/Crosss Module. Condition: New. Listed at 13.15 USD. Focusable 20mw 405nm Violet Blue Laser Diode Line Module 12x30mm 3-5V Parameters Wavelength:405nm Output Power:20mw Working Voltage:3-5V Duty Cycle:45 seconds On 15 seconds OFF Laser Shape:Line 120°+Dot+Cross Focusable:Yes Material and Color:Aluminum Lens:Plastic Dimensions:12*35mm or 12x45mm Features Please keep the lens clean to make the laser beam clear and bright. Before carrying on some laser DIY activities, please read about the technical information first and protect your eyes before laser ray. Be sure the operator has experience in optics DIY or testing Package 1pc Adjustable Focusable 20mw 405nm Violet Blue Laser Diode Dot/Line/Crosss Module with plug Delivery Details We provide standard shipping to international via China Post airmail or Hongkong Post airmail with tracking number.Contact us if not receive items. We only ship to the approved address given in Paypal Payment.Please make sure payment address in Paypal is correct.Any non-received items caused by invalid address registered on Paypal are not in our full refund or replacement policy. Returns and Replacements We accept returns and replacements within 30 days from the day the cutomer receive the products.Please make first contact within 30 days from receiving the order.Products should be returned in original condition. About Feedback We will try our best to solve any dispute and satisfy our customers. Please contact us firstly if you have any problems.As you know,a negative feedback can deal nothing and the positive feedback is very important for us.So we hope to your understanding.And we will appreciate if you would like to contact us for solving your problems.Thanks!