Mad Catz R.A.T. PRO S Gaming Mouse for PC (MCB4372200A6/04/1) Lightweight and Swift: Weighs only 77 grams to help reduce fatigue during marathon PC gaming sessions. Slick baseplate smoothly glides across your mouse pad Precision Sensor: True 5000 DPI optical sensor is great for gamers who like the feel of an optical mouse Conforms to Your Grip: Tilt and extend the palm rest to easily create a custom fit Adjustable DPI: PC software lets you assign distinct DPI values to the Precision Aim button. A separate switch changes DPI sensitivity on-the-fly Onboard Memory: Stores 3 profiles, each defined by you within the programmable PC software. Excellent for plug-and-play operability with different PCs Great for eSports: Whether your competitive video games are MMO, RTS, MOBA or FPS, R.A.T. PRO S is an ideal LAN tournament partner