Revolutionary Wireless Argb Fan The Uni Fan Tl Lcd Wireless feature Lian Li's innovative wireless sync technology, utilizing a 2.4GHz wireless signal to control lighting effects and fan speed to further improve the Pc building experience while delivering efficient cooling, dazzling lighting, and quiet operation. (L-Wireless Controller Sold Separately). Elevate the Pc setup with the Uni Fan Tl wireless Lcd version. 120mm fans are available in Black meeting all kinds of needs. Wireless transmission, easy installation By adopting 2.4GHz wireless technology, the Uni Fan Tl Wireless Series eliminates the need for traditional hub connections, significantly simplifying the installation process and enhancing user experience. Innovative L-Wireless Controller (Sold Separately) Instead of using the traditional connection method, the L-Wireless Sync Controller controls both lighting and fan speeds without connecting the cable to the controller.