The Corsair Nightsword USB Optical Gaming Mouse is highly precise and has adjustable weight configurations, letting you experiment with lightweight or a heavier action and how they pair with your favourite titles. Featuring a PixArt PMW 3391 optical sensor, this mouse can be configured to suit your exact specification from weight, and sensitivity, to RGB lighting. With the Corsair Nightsword RGB, full control is in the palm of your hand.Here is what top streamer, Chris Sacriel Ball, has to say about the Corsair Nightsword RGB:CORSAIR mice have always felt like an extension of my arm. The NIGHTSWORD RGB with its custom weight tuning truly brings that feeling to a new level.The Features of Corsair Nightsword RGB USB Optical Gaming Mouse at a Glance:Optical gaming mouse with a PixArt PMW3391 sensor and up to 18,000 DPISmart tuneable weight system with real-time updates in iCUE4 individually addressable RGB zones with near-limitless configuration options10 fully programmable buttons for in-game macros and key-bindingHighly precise and ideal for FPS or MOBA titlesContoured shape with high-performance rubber grips for the ultimate comfortHigh endurance with OMRON switches, rated for 50 million clicksModular Weight TuningThe Corsair Nightsword USB RGB Optical Gaming Mouse offers highly precise tuning, so you can configure this mouse to your exact specifications. Adjust the weight and centre of gravity using the integrated modular weight system. The hexagonal storage space on the underside of the mouse can hold up to six weights, which are all included. Kept safe in their own separate box, there are 3 x 2.8g and 3 x 4.5g discs which slot neatly into the designated spaces. Starting at 119g and with a maximum of 141g, there are 120 different combinations of weights and arrangements for you to test.While paired with Corsairs iCUE software, you can take this customisation to the next level. Even the installed weights will show in iCUE displaying real-time data on the Corsair Nightsword RGBs centre of gravity. Fine-tune the settings, and this gaming mouse will be perfectly balanced in your hand.Control in your HandsHighly precise, the Corsair Nightsword RGB utilises a PixArt PMW 3391 optical sensor with up to 18,000 DPI. With a range of 100 to 18,000 DPI adjusted by increments of 1 DPI using software, this gaming mouse grants the ultimate flexibility when it comes to precision. Plus, the 10 fully programmable buttons offer the opportunity to map a sniper button, reducing the DPI when depressed for finer control in those critical moments.Thanks to the onboard memory, you have three profiles to play with. Use one for FPS titles, with high DPI and an assigned sniper button; use another with key-bindings for creative endeavours; and have one with in-game shortcuts saved for MOBA titles. The options are near-limitless!The Finer DetailsWith four individually addressable zones, the Corsair Nightsword USB RGB Optical Gaming Mouse sports the most RGB on a Corsair gaming mouse to date. There are two areas in the front and two on the back to illuminate your mouse. Using iCUE, choose from 16.8m colours and a number of pre-set effects, or customise completely! Whats more, this mouse can be synchronised with other iCUE-compatible devices in your gaming PC, for a vivid, co-ordinated RGB light show.Built to endure heavy gaming sessions, the Corsair Nightsword RGB boasts comfortable contours to support palm grips. Across the body and sides are high-performance rubber panels to help with grip and keep your hand standing firm. Enjoy the satisfying click under your fingertips thanks to the highly durable OMRON switches, rated for over 50 million clicks. Also, with the ability to calibrate the Corsair Nightsword RGB to the surface of your desk or mouse mat, you can always enjoy peak performance. Battle after battle, this is the gaming mouse to have in your arsenal.Corsair Nightsword RGB USB Optical Gaming Mouse Specifications:BrandCorsairModelNightsword RGB# of Buttons10Fully programmableDPI SettingsMaximum: 18,000 DPIRange: 100 18,000 DPIAdjustments: 1 DPI stepsSensorPixArt PME 3391 optical sensorLighting4 zone RGBOnboard MemoryYesUp to 3 profilesSwitch Techn