Yaheetech Heavy Duty RJ-11 Key-Lock Cash Register Cash Drawer Box with 5 Bill & 5 Coin Removable Trays, Compatible POS Printers, Black High security design with metal and plastic construction Include RJ11 cable for connection to receipt printer 3-position lock Measures 16-by-16.5-by-4 Inches (L X W X H) Output: 12VDC / 24VDC