100% COMPATIBILITY With all smartphones, tablets, notebooks and cameras, with curved or flat screens. The dual liquid glass seals any electronic glass surfaces. 100% PERFECT TOUCH SENSITIVITY The high concentrated Silicon-Nano Coating(SiO2) bonds perfectly with the glass screen. EASY INSTALLATION No bubbles, scratch and dirt resistant EXTRA PROTECTION Perfect water repellent with antibacterial effect. LONG LIFETIME Offers up to two years of protection. Can be used on up to six phones, three tablets or one large monitor (40 inches).