Max Capacity : 30 kgs Min Capacity : 0.005 kgs Max Items : + 9 Million 5 Windows Display Printer Head Reliability 100 km Interfaces : RJ11 for Cash Drawer , USB for larger mass storage , RJ45 for Ethernet , RS232 for external, Scanner, RFID ete. Upside door with waterproof design Label Sticker : Material-- Adhesive Sticker, waterproof Paper Size : 40*60mm or 58*30mm