The K845 Mechanical Illuminated is a keyboard that melds precise mechanics with a modern aluminum design. Type comfortably with an adjustable tilt and mechanical key switches of your choice. 5 backlighting options let you customize your experience so you can type for hours ? day or night. A durable design features long-life switches, molded long-lasting characters, and an aluminum top case for modern productivity that lasts. It?s the typing feeling you love - now designed for work.