Epson TM-M50 (111). Print technology: Direct thermal, Type: POS printer, Maximum resolution: 180 x 180 DPI. Maximum roll diameter: 8.3 cm, Supported paper width: 58 mm - 80 mm. Connectivity technology: Wired. Ethernet LAN data rates: 10, 100 Mbit/s. Compatible memory cards: SD, Sound pressure level (printing): 55 dB, Mean time between failures (MTBF): 360000 h