Thermaltake Tt eSPORTS Challenger Prime 3 Color LED Backlighting Anti-Spill Anti-Ghosting Membrane Gaming Keyboard KB-CHM-MBBLUS-01 3 Color Backlighting: 3 colors in Blue, Red, and Purple, including Static, and Pulse lighting effects, the Challenger Prime has a Dial in the top center for fine brightness adjustment. With 6 Dedicated Macro Keys and 3 Storable Profiles, the Challenger Prime can pair up to 18 programmable Macros. Switch between profiles with the dedicated M1, M2, and M3 keys. Highly Functional Keyset: 9 multimedia keys, shortcut keys, lighting keys, game mode / normal mode toggle keys, and adjustment keys for both repeat rate and polling rate along the top of the keyboard. Anti-Spill Design: with drainage holes at designated areas in the keyboard frame to help avoid accidents due to spills. Anti-Ghosting: With the N-key rollover, the Challenger Prime will allow you to hit combinations of keys at once to make sure your gaming session is as fluid as it can be. Membrane gaming keyboard with 6 dedicated macro keys and 3 profiles Blue, Red, and Purple lighting with Pulse lighting and adjustable brightness via dial 9 dedicated media keys Switchable WASD/ keys. WASD can function as arrow keys, and vice versa 3-Color Backlight Game mode: macro keys enabled, windows key disabled Normal mode: macro keys disabled, windows key as normal Ability to re-map all keyboard keys independently to another key.