CAS ER PLUS Price Computing Scale can be connected to PC or Label Thermal Printer via optional RS-232C interface. Total of 199 PLU’s, 5 direct & 194 indirect. Features a Daily Total function. Optional ER-Works software for PLU programming & label editing. AC & Rechargeable battery for easy portability. Ideal for smaller retail environments such as butchery, grocery and fruit/vegetable shops.