Muilti points 15 inch IR Infrared Touch Screen overlay panel with 3mm anti-vandal glass. Just only use on 15 inch dispaly or monitor, can't use on other size. Anti-light interference,no drift even in the sunlight, simple for installing, easy for integration. Free driver for Windows, Android and Linux, support Mac iOS with HID driver. Design for Kiosks, Touch Monitor, Touch all in one,and so on. Warranty with 3 years