This Citizen CLP-521 label printer is everything you need for your business. With USB 2.0 and network connectivity options, this monochrome thermal printer can produce black and white prints of supported paper size 4x6. The unit is a perfect fit for businesses that demand networkable and parallel features and is capable of producing high-quality prints with its advanced technology. The CLP-521 is a top-of-the-line product from the Citizen product line, making it a perfect choice for those looking for a professional printing solution. With its sleek design and robust features, this unit is an excellent option for businesses that require fast and reliable label printing.