What is this thing? This is a portable printer and fax machine "Printeroid" designed specifically for iPhone and iPad by a foreign designer and composer. Its function is a bit like the Polaroid camera you usually use. The difference is that Printeroid can Pairing through the App allows different users to transfer pictures, files and other data to each other. Arduino controls the rolling speed of the roller, the printing speed is 0.15 inches/second, and the accuracy can reach 300dpi. Printeroid must use special adhesive tape. The adhesive tape is 7 cm wide and has two specifications of 5m and 10m in length, which means it can handle it as long as the image you output does not exceed 10 meters. Printeroid works with any generation of iPhones and iPads.