✅ In the product package sold by Prime_LCD, it includes some tools and materials for installation and maintenance. These tools include screwdrivers for disassembling and installing LCD screens, cleaning brushes for cleaning LCD screen connectors, and disposable gloves to protect the user's hands during operation. In addition, in order to help users correctly install the LCD screen, the product is also equipped with detailed installation methods and user guides, continuously optimizing the solution.✅ The entire installation process may take more than 30 minutes. You will get a brightness display of 300 nits. It includes: camera (480P), normal functioning of the light sensor, normal functioning of the keyboard backlight, normal functioning of automatic and manual brightness adjustment, A1932 2019/A2179 2020 Support true tone✅ Provide you with a brand new LCD Assembly, which will undergo multiple functional tests in the factory, including camera, hinge, brightness adjustment, automatic light sensing, keyboard light sensing. We pay great attention to testing every screen. ✅ The screen failure rate of Prime_LCD sales is 0.7%. If you encounter partial display defects, lines, or camera malfunctions during use, please let me help you solve them and take responsibility for a three-month warranty. We will replace the malfunctions product with a brand new one✅ Compatible Model: New For MacBook Air A1932 2019 / A2179 2020 LCD Screen Display Replacement A+++