Star Micronics SP712MU US. Print head: 9-pin. Standard interfaces: USB 2.0. Dimensions (WxDxH): 160 x 245 x 152 mm, Weight: 2960 g. Operating temperature range (T-T): 0 - 50 °C, Storage temperature range (T-T): -20 - 70 °C, Operating relative humidity range: 0 - 90 %. Certification: UL, C-UL, TüV, CB, FCC A, VCCI A, EN55022, CE