The Zebra ZQ521 and ZQ520 Exoskeleton hard case increases the drop specification to 10', seals off ports, and increases to IP65 rating for extreme-use environments. Can be used with single and extended battery packs, 4-slot printer power station and single slot charging cradle.
Detailed Specs
Zebra Mobile Printer Accessory Guide.pdf
https://www.thermalprintersupplies.com/content/product_downloads/zebra/Zebra Mobile Printer Accessory Guide.pdf