Caution1‎.‎ As this is a glass product‎,‎ please note that the edges of the glass are the most vulnerable areas‎.‎2‎.‎ When removing for re‎-use‎,‎ the adhesive properties might wear off to an extent where the screen protector will not adhere to the device‎.‎ It is not recommended to rouse the glass protector once its been applied‎.‎3‎.‎ Using excessive force who installing or removing the screen protector may damage the product‎.‎About the product1‎.‎ Premium tempered glass film is made with specially processed glass to protect the screen of the device from shocks and scratches2‎.‎ Oleo‎-phobic Coating‎- The oleo‎-phobic coating can prevent fingerprints or other stains‎,‎ and make the film easy to clean3‎.‎ Sensitive Operation‎,‎ Delicate Touch‎- The self‎-adhesive silicone can touch on the screen smoothly‎.‎ It makes the installation easy and is more sensitive for operation4‎.‎ Whole transparency5‎.‎ Surface Hardness‎- Surafacehardness can effectively protect the screen from scratches and external shocks6‎.‎ Exquisite workmanship‎,‎ ultra thin7‎.‎ Perfect adhesion8‎.‎ The product is eco‎-friendlyInstallation Instructions1‎.‎ Clean your phone with the micro fiber cloth2‎.‎ Remove the protective film on the glass3‎.‎ Put the glass on the screen4‎.‎ If there are other accessories‎,‎ please final installationModel‎:‎ about 0.26mm Single or Double‎:‎ External Battery Input Voltage‎:‎ 120 * 55 * 0.26 mm Input Current‎:‎ 7 g / pcs