HP-05K DESCRIPTION – Display : LCD Graphic 128×64 Dots with backlight– Power Supply : 100-230 VAC, 50 or 60Hz 500mA– Character : English / Thai (Auto 3 levels)– Font Thai Code : TIS– Output Port : Parallel / Serial RS-232C– Output Code : KU42/TIS17– Interface : Keyboard PS/2– Memory : Up to 4×64 KBytes– Transaction : 1200 Record (Up to 2400 Records)– In-Process : 120 Record (Up to 360 Records)– Code Table : 250 Companys, 250 Products