1,touch screen kiosk 2,internet kiosk 3, self-service kiosk, 4, ... 19 optional : Brightness 300~1200nits : Contrast 450:1~1000:1TouchscreenSAW Touch : 15 17 19 : Resolution 4096*4096(More types of touchscreen ... Ball, Photo Printer, Check Acceptor, Infrared, Bluetooth, PSAM Card, etc touch screen metal keyboard kiosk