ROVSUN Cash Register Drawer Money Storage Box, Receipt Printer Required, Perfect for Point of Sale (13'' x 15'') 4 BILL 5 COIN COMPARTMENTDesigned for American bills. Four spring clips is durable and of long service life. Provide large enough space for cash storage. THREE LOCK POSITIONCompared to old version, this new cash box has three key lock position, set for open by key, open automatically, locked. Very convenient to use. TWO WAYS TO USEWhen the money box is connected to receipt printer, it can open automatically and you only need to operate on a computer. When it doesn't connect any machine, it can be opened by a key. DIMENSION15L x 13W x 3W, All steel thick gauge cold rolled steel construction. Compatible with Epson, Star or Citizen. MULTIFUNCTIONALCash drawer bills is suitable for small business, commercial supermarket, store, caf use. If you have trouble in using this unit, please contact us.