Based on this product's specifications, here are some alternatives and similar models
Handheld Printer Accessory Zebra P1050667-032 QLn420 Black
Summary description:
The Zebra P1050667-032 handheld printer accessory in black is designed for compatibility with the QLn420 model. This durable accessory enhances the functionality of your printer, ensuring reliable performance and ease of use. Its robust design makes it ideal for various printing tasks, providing a seamless experience for users in different environments.