The R.A.T range is built for endurance, using materials and components specified to meet the demands. The R.A.T. 8+ is constructed around a super lightweight chassis, ensuring the sensor position is perfectly balanced for tracking on your gaming surface. It also provides the rigid foundation for the rest of the control modules. R.A.T. 8+ also comes fitted with industry leading OMRON switches (a life of 50 million clicks), ensuring that those with the fastest clicking fingers won\'t miss an action!The Feature of Mad Catz R.A.T. 8+ Optical Gaming Mouse at a GlanceFully customisable optical gaming mousePixArt PMW 3389 optical sensor with up to 16,000 DPIDynamic ergonomics, with interchangeable palm and pinkie rests to maximise your comfortAdjustable weight system for improved reaction speedsPrecision engineered to bring you the best gaming experienceChameleon RGB lighting in 3 individually addressable zonesENHANCE YOUR PLAYING STYLEAll gamers are different. The RATs are precision engineered, making key parts of the product adjustable, to enhance and improve your playing style. The R.A.T. 8+ has an adjustable palm rest, pinkie rest, thumb rest and weight system so that you can customise your RAT to enhance your game play. The palm rest can be quickly adjusted in length, compatible with palm, claw, and fingertip grips. The thumb rest moves across two axes, improving comfort and making macro buttons easier to use.For further customisation, there are swappable palm and pinkie rests which further enhance your grip. Additionally, the weight of the Mad Catz R.A.T. 8+ Optical Gaming Mouse can be modified to help improve reaction speeds. Gain the competitive edge by customising to suit your specification.CHAMELEON RGB LIGHTINGTake the Mad Catz R.A.T. 8+ to a new dimension of customisation with 3 independent RGB illumination zones. Fine tune your colour and lighting to make your R.A.T. the centrepiece of your gaming PC. Using the pre-set themes, you can also control the speed of LED effects, such as breathing, heartbeat and colour cycling.FLUX INTERFACEYour Mad Catz R.A.T. 8+ customisation even goes beyond the physical thanks to the powerful Flux interface. Regardless of your preferred genre or style of play, every aspect of the sensor, button output, and lighting can be tweaked to enhance performance.Whats more, create and edit unlimited profiles for all your games and desktop software. Assign complex macro commands to your Mad Catz R.A.T. 8+ Optical Gaming Mouse with timing accuracy to 1/1000th of a second to any of the programmable controls. These can be stored on the Flux interface.Store up to four profiles, containing all of your macro button, sensor and lighting settings directly on your R.A.T. 8+. Always have your favourite loadouts ready to go at a moment\'s notice, without the need for a software install.SENSORFurther tweaking your Mad Catz R.A.T. 8+ Optical Gaming Mouse to perfection, the resolution, lift-off height, and USB report rate can also be modified. Increase (or decrease!) the sensor speed with one press of a button, a feature great for FPS or sniper games.Armed with the top of the range PixArt PMW 3389 optical sensor and up to 16,000 DPI, the R.A.T. 8+ is capable of keeping up with extreme movement speeds of up to 400 IPS and 50G of acceleration. This is crucial for ensuring that all snap shot reflexes and fast-tracking movements are lag free.Mad Catz R.A.T. 8+ Optical Gaming Mouse Specification:BrandMad CatzModelR.A.T. 8+SensorPixArt PMW3389 optical sensorDPI SettingAdjustableUp to 16,000 DPIUSB Report RateAdjustableUp to 2,000HzTracking Speed400 IPSAcceleration50GFrame Rate16,000Switch TechnologyUp to 50 million clicks# of Buttons11Fully programmableWeightBase weight: 145g (without cable)Maximum weight: 163g (with all extra weights)System RequirementsWindows 7 / 8 / 8.1 / 101 x USB 2.0 portInternet connection for software downloadBox Contents1 x R.A.T. 8+ gaming mouse3 x 6g weights1 x High top palm rest1 x Rubber coated palm rest1 x Rubber coated pinkie rest1 x Extended wing pinkine rest1 x Quickstart Guide