The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Previous page Next page Precision Cutting Technology Full access to all ports,Note: this Hard Case can only be used with an adapter with a cord. Easy Open and Close Can easily open to 135 degrees, easy to close the computer. It fits perfectly. Easy Installation Easy to put on and take off that can protect your laptop from scrapes and scratches. Front and Back Case Fully vented for safe heat disbursement, fully access to all buttons and features. Previous page How to install Screen Protector? 1： Clean the screen with a cleaning cloth. 2：A Upper lens protector pls peel off this mash，Align it at the top and slowly stick it on. 3：The resulting bubble needs to be lightly scraped with a card M1 A2179 A2337 Keyboard Cover keyboard cover is made of premium engineering grade silicone material. Durable while light wieght, Flexible while Non-slip, Non-toxic as well as Healthy. A1932 Keyboard Cover keyboard cover is made of premium engineering grade silicone material. Durable while light wieght, Flexible while Non-slip, Non-toxic as well as Healthy. Dust Plug The dust plug is made of high quality silicone material, flexible and durable, perfect fit for each port, prevent dust and liquid from entering the port and causing moisture and oxidation. Next page