... Flow fans, no noise,Steel enclosure, Duachannel,stereopoweramplifier,touch internet kiosk touch screenSurface acoustic wave touch screen, infrared touch ... , cyclic heat dissipationControl PanelPower switch (main engine, display, audio, fan) volume tuningSingle point touchOver 50 million timesMao hardnessLevel ... scanning, keypad, micro-printer, fingerprint roll machine touch internet kiosk....