Mad Catz The Authentic R.A.T. 6+ Optical Gaming Mouse – Black. The Mad Catz R.A.T. 6+ Gaming Mouse lets you take control of your gaming experience. Experience the perfect combination of customization and control with the R.A.T. 6+ Gaming Mouse. Multi-button functionality lets you take control of your gaming experience. An adjustable DPI button lets you increase or decrease the DPI instantaneously, up to 12000. The precision button instantly increases or decreases the sensitivity, perfect for in-game sniping. With the included desktop software, you can create unlimited profiles for your mouse while storing the top 4 on the mouse itself. Independent side scroll wheels are fully customizable within the included software, giving you even more control. The R.A.T. 6+, using the adjustable weight system allows you to customize the mouse weight to fit your needs. Create the perfect grip with the adjustable palm rest, letting you play in comfort. And with industry-leading OMRON switches, the R.A.T. 6+ can keep up with the even most furious clicker, with a 50 million click lifetime.