Customizable Printing: Easily create custom logos and text via the "PrintLab" APP; includes options to enter text, upload images, or hand-draw designs directly from the app, printing your ideas using our versatile portable printer Versatile Surface Printing: This printer excels on various materials, including solids and liquids, and can print on light-colored items like plates and napkins; perfect for personal surprises, parties, or business branding User-Friendly Interface: Upload your design, press a button, and slide the printer to apply; personalize any surface using the included auxiliary ruler for accurate placement, offering limitless customization options Tested Durability: Demonstrates proven longevity with the ability to print the word "THANKS" up to 3,500 times; size tested at 1" x 3.9" Compact & Efficient Design: Made from lightweight aluminum alloy, it weighs just 255g for easy one-hand operation. Powered by a 1200mAh lithium battery, enjoy 4-7 hours of printing from a 1-2 hour charge. Print specs include a 1"/26 mm width, 300dpi resolution, and a max size of 1" x 39"/2.6 x 100 cm PARAMETERS: Print width: 1"/26 mm Print resolution: 300dpi Maximum print width: 1"/26 mm Maximum print size: 1"x39"/2.6x100 cm How to use: STEP 1: Download "PrintLab"APP STEP 2: Upload the picture and click print STEP 3: Press the button and slide from left to right to print