Product Name: Beeprt 58mm Thermal Bill with Bluetooth Receipt Printer for Supermarket Model NO.: BY-58A Character Structure: Full-width Characters Printers Max. Paper Size: 58mm Consumable Type: One Cartridge Style: Black and White Network Function: Not Support Network Interface Type: USB Supply Paper Mode: Automatic and Manual Integration Automatic Two-sided Printing: Not Support Automatic Two-sided Printing Type: Thermal Usage: Bill Printer Print Head Reliability: 50km Printing Speed: 90mm/S Adapter Voltage Input: AC 110V/220V,50-60Hz Adapter Voltage Output: DC12V/3A Print Density: 384 Points/Line Printer Input Voltage: DC 12V/3A Cash Box Control: DC 12V/1A Storage Temperature: -20