SMALLElectric 104-Key Illuminated Mechanical Keyboard with White LED Backlighting Cherry MX Brown "Tactile Bump" Mechanical Switches. Gold plated contacts rated at 50 million cycles. Full white LED backlighting with 7 levels of brightness adjustment. Onboard memory saves your last lighting preference even when the keyboard is unplugged. NKRO/6KRO technology allows any number of keys to be pressed simultaneously over PS/2. 6 keys + modifiers available over USB. Hardware-level configurable output modes with built in DIP switch. Slim case design with multi-channel cable routing system and detachable Micro USB cable.