Features: Newly upgraded ultra-fine laser: The laser adopts 4-fold lens group collimation and focus technology, the optical power is 5.5W, and the laser focus area is reduced to 0.02mm². The high-density laser can easily cut 15mm thick wooden boards, 12mm black acrylic; can directly engrave mirror stainless steel metal and ceramics. Powerful Engraving Performance: The real 5.5W laser can easily cut through 15mm thick wood and 12mm acrylic, and engraver large areas of metal and wood. The metal engraving speed boost 200% and the engraving effects obviously improved. Modular Design: Easy to replace or upgrade the parts and achieve more functions. Spiral button is more convenient for height adjustment. Specifications: Model: ATOMSTACK A5 PRO Upgrade Working Area: 410*400mm Support Carving Objects: Wood, bamboo, cardboard, plastic, leather, PCB board, aluminum oxide, non-reflective electroplating layer and paint surface layer metal, 304 mirror stainless steel, glass, ceramics, cotton cloth, slate; Support Cutting Objects: Cardboard, non-woven fabric, wood board, acrylic, some thin plastic board, sponge; Machine Working Power: 40W Laser Output Power: 5-5.5W Wave Length: 445 ± 5nm Engraving Accuracy: 0.01mm Focusing Method: Fixed focus laser, no need to focus Laser Protective Cover: Panoramic filter glass Operating Software: LaserGRBL, LightBurn, support Win XP / Win 7 / Win 8 / XP / Win 10 / Win 11 system. Input Format: NC, BMP, JPG, PNG, DXF, etc. Data Transmission Method: USB connection. Input Voltage: AC100-240V, 50/60Hz Output Voltage: DC12V, 5A Machine Weight: 3.5kg/ 7.7lbs Machine Size: 57*60*27cm/ 22*23.6*10.6in Package Weight: 5623g/12.4lbs Package Size: 59.5*35*13cm/ 23*13.8*5.1in Note: - When operating the laser engraving machine, please install the laser protective cover. If it is not installed, you need to wear goggles. - 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. Packing List: 1* Machine Kit 1 * Control Box 1 * Goggles 1 * Power Supply 1 * USB Cable