When you need a dependable on-the-road printer that delivers sharp, clear receipts and other documents; endures extreme heat and cold; and offers a variety of wireless options, Zebra's RW 420 is the popular choice. If you leave and use your printer in the cab-fixed-mounted and powered by your vehicle's power source - Zebra's RW 420 Battery Eliminator reduces the cost of owning the RW 420 printer over the course of its life.