Upgrade your ZD420d with this Zebra RS-232 module upgrade kit. This upgrade kit, with a weight of only 0.1kg, is designed to easily fit your ZD420d printer. Manufactured by Zebra, this RS-232 module upgrade kit is the perfect solution for enhancing the capabilities of your printer. Invest in this original Zebra product with art number P1080383-420 for a seamless upgrade experience.