A sturdy, lightweight design with a sealed keypad, an internal rechargeable battery and the convenience of a built-in printer make the AE 504 advanced label printing indicator a great choice for demanding industrial settings and shipping and receiving areas. In addition to numerous weighing and counting applications, add barcodes, QR codes, pictures and custom logos to the 50mm-wide printed labels with the indicator's integrated printer. The large, easy-to-read backlit LCD screen features 0. 9-inch/22mm-tall digits, while a color-coded numeric keypad allows quick and easy selection from 1, 000+ PLUs or to manually enter tare weights, unit weights and sample sizes Key Features Vivid, backlit LCD easily visible in any lighting conditions Programmable backlight can be set to "always on," "always off" or "light only when weighing" Color-coded keys facilitate quick recognition of the most frequently used buttons RS-232 interface provides speedy connection to computers and printers Rugged construction stands up to industrial use Built-in printer can print weight, QR codes, bar codes and customized labels in numerous languages Rechargeable battery included for operation almost anywhere Programmable auto power-off to save energy Zero-tracking feature ensures display returns to zero reading Parts counting optimization automatically refines piece weight as parts are added Checkweighing with audible alarm External calibration allows for verification and adjustment with weights Quick and easy configuration using the keypad User-selectable scale division Adam Connect compatible for wireless data transfer to printers and PCs Ideal Use Cases Weighing Parts counting Check counting Averaging Barcode label printing Checkweighing Accumulation Specifications Product Type Weight Indicator Capacity Options Selectable Readability Options Selectable Weighing Units g,kg,lb,oz Interface RS-232 Calibration External calibration Display Backlit LCD with 0.9" / 22mm high digits Power Supply 12VDC 3A adapter / Internal rechargeable battery Operating Temperature 0° to 40°C / 32° to 104°F Construction ABS plastic Warranty 3 years Resources Data sheet Manual