Name:15W Laser Head Engraving Module Model:570073 Specifications: Material:hard aluminum + brass Wavelength: 450nm (Blu-ray) Power: 15W Focal length: can be adjusted Heat dissipation: Fan Size: Laser Head:about 75mm x 33mm x 33mm Module:about 50mm x 36mm x28mm Adapter:about 113 x 55 x 30mm Operating Voltage: DC 12V Working Current: 5A Focal length: 16mm Drive module: TTL (control laser switch) Features: 100% Brand new and high quality. Can be used for engraving, cutting; can Carving ceramics, stone, wood, bamboo, leather, plastics, etc. Do not expose the eyes, otherwise it will cause permanent blindness, the consequences at your own risk. Prohibited for use in flammable and gas atmospheres. Prohibit children from exposure to this laser product.Do not open the module to avoid damage. Package included: 1 x 15W Laser Head Engraving Module 1 x Adapter. International buyers please note: a. The item "15W Laser Head Engraving Module Marking Wood Cutting with TTL For Engraver Blu-ray" is in sale since Saturday, July 22, 2017. This item is in the category "Business & Industrial\Printing & Graphic Arts\Screen & Specialty Printing\Engraving". The seller is "cskwin2015" and is located in HK. This item can be shipped worldwide.