MasterMouse MM520Great for Performance, Perfect for Claw GripsThe MasterMouse MM520 is the successor to the Spawn gaming mouse, improved further for claw grip gamers. Reinforced rubber side grip and a ring finger rest ensure long-lasting comfort during the most heated RTS matches. Our hardware is custom-tailored for the high-speed actions of a first-person shooter or a real-time strategy games, with a Pixart 3360 sensor with 12000 DPI and Omron switches to ensure lag-free precision and input during the longest skirmishes. With performance and comfort, this is a deadly tool in your gaming arsenal.Pixart PMW-3360Ergonomic right handed claw gripOn-the-fly DPI adjustmentsBrilliant RGB illuminationRugged rubber sided gripsFully programableMM520Customized For Your ClawUnique, ergonomic right handed claw grip design which is highly regarded as one of the best claw grip designs for FPS and RTS Gaming.MM520A Precision Sensor That's ScaryPixart PMW-3360 Infrared sensor with adjustable DPI up to 12000 and zero negative accelaration or prediction for true 1-1 input for pinpoint accuracy in-game.MM520One Word: Rugged.High Grade Quality with PBT Material on the side covers and left and right mouse buttons for increased durability and touch feeling, 20M rated OMRON switches and ALPS scrollwheel encoder to make sure no scroll action is missed.