<p><b>Specifications:</b></p> <p>Material: aviation aluminum, brass, stainless steel</p> <p>Plug type: EU</p> <p>Laser color: blue</p> <p>Working voltage: DC 12V</p> <p>Module input: 30W</p> <p>Optical output power: 7.5 W (7500 mW)</p> <p>Wavelength: 450 nm</p> <p>Precision: 0.01mm</p> <p>Lens focal length: 30 ~ 50mm</p> <p>Beam shape: point (focusable)</p> <p>Input voltage: DC12V 3A</p> <p>Safe temperature range: <60 ° C.</p> <p>Lifespan: 10000 ~ 20,000 hours</p> <p>Cooling mode: Intelligent control of the temperature sensor + 40 mm fan with 10000 rpm</p> <p>Radiator size: 4 * 6cm / 1.57 * 2.36in</p> <p>Item size: 6 * 4 * 4cm / 2.36 * 1.57 * 1.57in (laser module)</p> <p><b>Note:</b></p> <p>* Can not engrave: metal / glass / stone / ceramic / PCB / stainless steel / reflective material / transparent material.</p> <p>* Please wear laser goggles during use and do not touch the laser directly with your eyes or skin!</p> <p>* Please avoid strong impacts on the machine.</p> <p>* Children under the age of 14 are prohibited from using this product.</p> <p>* Further help can be found in the NEJE Wiki (wiki.nejetool.com).</p> <p><b>Packing list:</b></p> <p>1 * laser engraver</p> <p>1 * 30W laser module</p> <p>1 * 12V 3A power supply</p> <p>1 * user manual</p> <p>1 * safety glasses</p> <p>1 * wooden board</p> <p>5 * paper</p> <p>1 * pen</p> <p>1 * brush</p> <p>1 * focus plate</p> <p>4 * angle iron</p> <p>1 * aluminum oxide wafer</p> <p>3 * ribbon</p> <p>5 * screw</p> <p>2 * Allen keys</p> <p>1 * Open the wrench</p>