Attaches to the Zebra ZQ500 Series vehicle cradle to enable use with installed Datamax O’Neil e-charge brackets. Plastic female half-moon part allows users to attach vehicle cradle to existing Datamax O’Neil brackets. COMPATIBLE ZEBRA PRINTERS: ZQ510, ZQ511, ZQ520, ZQ521.
Detailed Specs
Zebra Mobile Printer Accessory Guide.pdf
https://www.thermalprintersupplies.com/content/product_downloads/zebra/Zebra Mobile Printer Accessory Guide.pdf