Epson TM-M30(121). Print technology: Thermal, Type: POS printer, Maximum resolution: 203 x 203 DPI. Maximum roll diameter: 8.3 cm. Connectivity technology: Wired & Wireless, USB connector: USB Type-A, Standard interfaces: Ethernet, NFC, USB 2.0. Sound pressure level (printing): 55 dB, Mean time between failures (MTBF): 360000 h, Autocutter durability: 1.5 million cuts. Width: 127 mm, Depth: 127 mm, Height: 127 mm