Using the newest optical switch technology with an infrared sensor, the Fantech Mechanical Keyboard Pantheon series MK882 provides the fastest response time ever, with zero error and delay. The Pantheon MK882 enhanced with RGB lighting with 19 pre-installed modes is maintenance-free and has the most cutting-edge nano waterproof technology applied to all parts for the best protection possible for users at home or in internet cafes. FANTECH is the brand. Model: Windows Layout 104 Keys MK882 Keys Interface: USB cord 1.6 meters in length Measurements: 466 x 208 x 38 mm