3000mW output, compatible with all items from cloth/wood/leather/food. It links with smartphones and PCs, and you can easily engrave by simply uploading images to the app. Engraving is possible on any material, including cardboard/cloth/wood/leather/felt/plastic. Easy operation, even for beginners! Compact size allows for easy engraving at home or in the office. This is a used item, so please understand before purchasing. Brand: wainlux Model: k6 Material: ABS Control Model: PWM Operating System: win-7/8/10; iOS, Android Applicable Materials: Paper/Wood/Plastic/Cloth/Leather/Cardboard/Fabric, etc. Interface Specification: 3W laser Wavelength: 450nm Working Area: 80*80mm Total Power: 17W Output Optical Power: 3W Supported Graphic Formats: jpg/jpeg/bmp/tif/gif Image Size: 0.05mm Machine Supply Voltage: 12V 2A Control Line Installation Method: No need to install the machine. Best Focus Range: 30-50mm Best Focus Length: 100mm