The Datamax-O'Neil Apex 4 Durable Mobile Receipt Printer is a lightweight and compact 4" printer that prints a crisp, clean receipt, proof of delivery, ticket or invoice of up to 4.38" at an affordable price to keep within today's tight budgets. The Datamax-O'Neil Apex 4 Durable Mobile Receipt Printer is an economical alternative to the heavyweight products that may be "over the top" for your needs without compromising on quality and durability. Tough enough to handle the jolts and hits expected during a long and busy shift, the Datamax-O'Neil Apex 4 Durable Mobile Receipt Printer is also light enough to wear comfortably throughout the work day. With simple to use features and a long lasting high capacity lithium-Ion battery, the Datamax-O'Neil Apex 4 Durable Mobile Receipt Printer has all the features and functions needed to handle the expanding requirements for retail, hospitality, car rental, law enforcement and field service and sales applications.