Seiko Instruments DPU-S445. Type: mobile, Print technology: thermal, Character size: 3 x 1.5 mm. Maximum roll diameter: 50 mm, Supported paper width: 112 mm. Connectivity technology: Wired & Wireless, Interface: USB, IrDA (1.2), Serial. Dimensions (WxDxH): 145 x 135 x 58 mm, Weight: 490 g. Certification: FCC, CE, VCCI