The flagship of the O'Neil line of reliable printing solutions is the microFlash® 4t direct thermal portable printer. This workhorse portable offers the most reliable performance available, printing outstanding quality 4" receipts, proof of deliveries, labels, invoices, and barcodes. The 4t offers serial printing as well as wireless, and is simply your finest choice worldwide for route accounting, direct store delivery (DSD), field mobile service, logistics, home delivery and pre-sales systems.The 4t prints direct thermal receipts and invoices, as well as both linered and linerless labels. It can also print a compressed 80-column receipt, providing a lightweight portable alternative to larger or vehicle-bound 80-column printers. Its reliable print mechanism offers outstanding print clarity, allowing you to print graphics, bar codes and logos.