Mad Catz R.A.T 6+ USB Gaming Mouse ErgonomicDescriptionSpecificationsShipping PRECISELY DEVELOPED The R. A. T. assortment is designed for durability in terms of materials and components to meet the requirements. La R. A. T. 6+ is designed around an extremely light housing, ensures perfectly balanced sensor position for tracking on your gaming surface. It also provides a robust foundation for the remaining control modules. R. A. T. 6+ also comes with industry leading OMRON switches (with a 50