... screen), highlight LED backlightLanguage of menuChinese, English Printer Mini-Thermal printer with infrared data transmission, not need connecting wireWork ... device, standard hardness block, mini-Thermal printer, charger, small support ring, cleaning brush, printer wire connecting (spare)4. ... 1Nylon brush1Leeb hardness standard blocks1Mini-Thermal printer(optional)1 HLN-200 Leeb Hardness Tester