Regular size range : 12.1 13.3 15 15.6 17 18.5 19 21.5 22 23 23.6 24 26 27 32 37 39 40 42 43 46 47 48 49 50 55 58 60 65 70 75 82 84; Key Chararcters of Infrared Touch Screen Panel: 12-100 inch Infrared touch screen / touch frame; High resolution,4096×4096; LED?LCD?PDP; 1,2,4,6,10,16,32 touch points ; Free Maintenance, Anti Sunlight; Quick Response, long life-span; Detachable, easy for transportation; One calibrationg with on-drift ; USB 2.0 full; CE,FCC,RoHS certification; IP 65 Waterproof,Dustproof, Vandalproof ; Anti-glare, Anti-shock , Anti-scratch; High Light transparency , High contrast; Clarity image,no drift,no blind spot; Pure Tempered electronic transparent glass; High position accurancy; Durable , Moh's 7 hardness; Free-drive,flat surface; Aluminum / Plastic frame ; Product Catalogue: SAW / Infrared / Capacitive / Resistive Touchscreen ; SAW / Infrared / Capacitive / Resistive / Nano Foil  Touch Monitor; All in one touch computer; Indoor/Outdoor Advertising display board; Education All in one  Whieboard; Self-service Multi-media Kiosk;