... in/out* Long lifetime: 11years, above 60000000 times for single dot touch.* Toughened glass protecting, anti-knocking, water and dust proof, it can ... , Office documentsLanguageEnglish, other languagesIR touch screen Features IR touch panelIR 2 point touchTempered Glass4mm tempered glass, Transparency rate up to 100%Touch featuresResponse time: 8ms ...