Bixolon SRP-500. Type: POS, Print technology: dot matrix, Print speed: 6.5 lps. Maximum roll diameter: 83 mm, Supported paper width: 76.5 mm. Connectivity technology: Wired, Interface: Serial. Dimensions (WxDxH): 177 x 256 x 152 mm. Input voltage: 100 - 240 V, Power source type: AC