Item Type: Replacement Keyboard Material: ABS, Aluminum Alloy Number of Keys: 101 Button Life: About 5 Million Times Application: for Dell Inspiron 15 3000/15 5000/17-5000/5547/35421,Material: ABS, aluminum alloy, durable and convenient, multi function keyboard, full keys, quick response, no delay. 2,Application: for Dell Inspiron 15 3000/15 5000/17?5000/5547/3542 and other maintenance or replacement ideal choice. 3,Safety: Easily replace a malfunctioning, cracked or damaged keyboard, and replace the keyboard in the closed state. 4,Portable: The keyboard has good compatibility, sensitive touch and easy to use. The appearance is simple and vivid, full of fashion, and provides a comfortable typing experience. 5,Fashion Appearance: Simple and vivid appearance, full of fashion sense, and comfortable typing.1 x Replacement Keyboard Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.