The Zebra ZT220 is a compact 12‑mm direct‑thermal label printer that outputs sharp 300 dpi images, supports up to 10.4 cm lines, and reads Code 128, PDF417, UPC, QR, etc., with USB 2.0, RS‑232, Ethernet, 128 MB flash/RAM, Energy Star certification, and operation from –40 °C to 60 °C in high humidity.