4540 Laser Engraving Cutting Machine Laser Engraver for DIY Carving

Product show  Paramters* Laser power: 7W/ 15W/20W/ 40W* Wave Length: 445 ± 5nm* Input Format: NC, BMP, JPG, PNG, DXF, etc.* Machine power: 12V 5A * Carving Speed: 0-50000mm/min* Software: MAC OS and Linux Working with LightBurn; Windows working with LaserGRBLLaser Power7W15W20W40WActual output power1600MW4500MW5500MW6000MWLaser wavelength445 ± 5nmSpot typeDottedFocuswithin 5-10 cm adjustablewithin 3 cm adjustablefixed focus can not be adjustedfixed focus can not be adjustedSpot size0.15*0.01 mm0.03*0.04 mmDrive modeexternal ACC constant current driveCooling methodForced Air CoolingOperating voltage12V DCPower supply12V 3A12V 5AShell materialAluminum, Surface AnodizedModule materialCopperlife time20000 hoursWorking  temperature-40~75 CelsiusRemarkWe suggest 7W laser for Image EngravingWe suggest 15W laser for Engraving Flammable materialsWe suggest 20W laser for  1-3mm corkwood/plywoodWe suggest 40W laser for cutting 1-5mm corkwood/plywood; 1-3mm MDF engraving metal, Better heat dissipation.Product DetailsLaser and control boardAttentionPlease wear goggles when operating the laser engraver. Wear safety goggles to avoid blindness.-Please do not touch the laser emitter with your hand, or it may burn your hand.-Please avoid strong impact on the machine.-Children under 14 are not allowed to use this product and children over 14 need adult supervision.-The light engraving machine can not be directly applied to any mirror reflecting object, which may cause injury to the operator or burn the laser.-This product is not recommended for industrial cutting due to its high engraving speed.  Product EffectsFAQQ: Can it engrave/mark on gold or silver? Can it engrave/mark on all metal materials?A: No, this machine can only mark on some stainless steel, iron and colorized anodised aluminum. It can not engrave/mark on gold or silver.Q: Can it engrave any depth on metal?A: No visible depth, it can only leave a marking.   Q: Can it cut wood?A: It can cut normal wood of 3mm, Other wood material has not been tested yet.Q: Can it engrave on carved surfaces(cylinder or alike)?A: No, it works only on flat surface./* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1