Please note: 1. The keyboard with light version is anti-ghosting keyboard, while the keyboard without light version has only 28 buttons to prevent ghosting. 2.Since the switch changes the brand from time to time, the photo of the switch in the picture is for reference only and is subject to actual receipt. But don't worry, the quality of the switch is the same, or even better. 3.English letters are light-transmitting characters, and Ruian letters are laser engraving characters. 4. The blue switch has the loudest sound, and the black switch and red switch have lower sound. The black switch is the most flexible. 5. There are two versions of this keyboard, old and new. When sending the package, we will randomly send one of them. The difference between them is: different lighting modes and different brightne of the lights, and the others are the same. In the picture below, we have marked the key positions of the new and old versions of the keyboard to switch lights. Please read the instructions carefully before ordering: At present, some keyboards are upgraded to the new version. The difference between the new version of the keyboard and the old version is that some lighting effects are different, and the positions of some function keys have changed. But the quality is the same. Here is the difference between the new keyboard and the old keyboard: Metoo gaming Mechanical Keyboard Game Anti-ghosting Ruian/US blue Black red switch Backlit Wired keyboard for pro gamer