The VisionTechShop TVP Series provides 10 indirect PLU's and RS-232 Connectivity for ECR, Computer and Label Printer. The TVP Series is great for Candy/Coffee/Deli/Seafood/Bakeries/Farmer's Market. NTEP approved(#19-038) Legal for Trade!, Power: 12V/500mA AdapterCandy/Coffee/Deli/Seafood/Bakeries/Farmer'sMarket. NTEP approved(#19-038) Legal for Trade!, Power: 12V/500mA Adapter