Wide Compatibility. Compatible with Cherry MX RGB switches, Kailh switches and Gateron RGB switches ^^ RGB Backlight. GK61X is equipped with RGB SMD light. More than 16.8 million lights are available. Its more than a keyboard but also a fun toy ^^ Fully Programmable. Fully customizable RGB backlighting and under-lighting. Set your millions of LEDs to a single color or light them up with custom rainbow wave patterns. ^^ All-in-One Kit. GK61X got all you need for a custom keyboard: PCB, mounting plate, black ABS case, stabilizers, Type-C cable ^^ Hot swappable. Customize the keyboard with ease thanks to hot-swappable switch sockets, which allow you to swap switches in secondsno soldering required.