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