li fi System is a light-based communication technologies that transmits data using light waves rather than ratio technology. Wait till li fi becomes commonplace in the future if you think your internet is fast today. This type of technology will allow you to access technology that is even quicker and more dependable. Then it won't be able to replace Wi-Fi (or) even 4G (or) LTE, which stands for long-term evolution. Moreover, it will collaborate with them to ensure that you may watch and play online games without interruption. The best aspect about li-fi is that it will be a lifeline for any area that struggles with connectivity, such as hospitals and aeroplane cabins. li fi will also provide fewer network disruptions, higher peak data speeds, and more security. li fi may be ten times less expensive than wi-fi. Not everyone will understand how li fi works, and there is a lot of voodoo and black magic involved, but it is clearly explained. For you, terms To receive light waves, li fi employs a Photo Detector. It uses a Processor to transform the data into streamable information.