420+Digital Weight Indicator Features: Large .8" LED Display, Power for Up to Eight 350ohm Load Cells, Primary/Secondary Units Configuration: lb, kg, oz, short tons, metric tons, grams, NEMA 4X/IP66 Stainless Steel Washdown Enclosure, Two Independent Communication Ports: (1) Full Duplex (1) Unidirectional or Active 20mA Current Loop, Standardized EDP Command Sets, Programmable Ticket Formats Up to Two 300 Character Printouts, Universal Mounting Stand, Three Stage Digital Filtering, Two Digital Inputs, Two Digital Outputs, Time & Date, Count Mode, NTEP Certified.