Specifications: Material: ABS + PC Screen Size: 4.3 Inch Printing Height: 2-12.7mm Printing Distance: 2-5mm Print Resolution: 600dpi Print Content: Text, Time, Batch Number, Serial Number, Logo, QR Code, Barcode Printing Speed: 50m/min Cartridge Capacity: 45ml Ink Color: Black External Interface: USB, Photoelectric Interface Input Power: AC 100-240V, 50/60Hz Output Power: DC 16.8V Battery: Built-in 2500mAh Lithium Battery Language: Simplified Chinese, Traditional Chinese, English, Russian, Japanese, German, French, Korean, Italian, Polish, Dutch, Finnish, Arabic, Danish, Czech, Swedish, Vietnamese, Greek, Turkish, Spanish Printer Size: 23.8 * 12 * 6cm/ 9.4 * 4.7 * 2.4in Printer Weight: 900g/ 31.7oz Note: 1. Don't plug/take out ink cartridge or set parameters when machine is in printing. When machine is in printing, any operation will damage core board. 2. If machine finishes working or doesn't work for more than 10 minutes, please take out ink cartridges at once and cap it to prevent the nozzle from being air-dried. 3. If the inkjet is unclear and cannot be ejected, may be that the ink cartridge is exposed to the air for a long time and the nozzle is blocked. It's normal. Use a soft paper towel to block the nozzle and shake it vigorously, and wipe it in the direction of the nozzle. 4. Printed on a smooth surface, such as glass, easy to erase. Packing List: 1 * Inkjet Printer with Battery 1 * Ink Cartridge 1 * Charger 1 * Positioner 1 * User's Manual