The AE 503 and 504 series of indicators features a built-in printer withpowerful software that allows users to personalize labels. Use a PCto create custom layouts that include your own logos and barcodes.Sturdy ABS plastic housing makes the indicators able to withstanddemanding industrial settings. Powered by adapter or internal battery,the indicators provide 200 hours of use from a full charge. A largekeypad with color-coded buttons makes data entry fast, and resultsare readily visible in 34-mm-high digits on the backlit display. Connectthe indicator easily to computers and printers via the USB interface.The AE503 is a weighing indicator that offers a hold function andprovides 10 weighing units, while AE504 is a counting indicator thatcontains a preset tare feature and 1006 PLU memories. AE503sdisplay features symbols that show over, under or within limits tofacilitate checkweighing; the AE504 display contains a full numericalkeypad for speedy entry.