Product DescriptionThe Blue Modual is designed fit for CNC mill. With 450nm wavelength, it is an effective tool fit for engraving and cutting. they can engrave and cut a variaty of materials.Features:Blue Module --- Professional head with high speed and high stability. Bright blue-violet light, easy fit for locating when engraving.Adjustable Focus --- Adjustable head, easy to adjust, ensure engraving with good quality and high efficiency.Easy to Assemble --- Small and compact, Carving Material ---Wood, paper, leather, bamboo, plastic, rubber, alumina, stainless steel, copper,etc.Specifications:Effect Power: 40W-Pro/30W-Std/20W-Basic (Optional)Material: Aluminum Alloy+PlasticLight Color: Blue-violetWave Length: 450nmFacula Form: Punctiform, Adjustable FocusInput Voltage: 12V 2A-2.5AInterface Parameter: Support TTL signal controls powerItem Size: 12*4*4cmPackage Size: 14*6.2*6.2cmItem Weight: 300gPackage List:1 * Head