Epson TM-H6000IV. Print technology: Thermal, Type: POS printer, Maximum resolution: 180 x 180 DPI. Maximum roll diameter: 3.27" (8.3 cm), Supported paper width: 80, 58 mm. Connectivity technology: Wired, Serial interface type: RS-232, Standard interfaces: RS-232. Mean time between failures (MTBF): 360000 h, Autocutter durability: 2 million cuts, Country of origin: China. Product color: Black