Optical Gaming mouse (Black) Sensor: SPCP A704E Up to 2400 dpi 16.8 millions RGB backlight, fully customizable Size :123 (L) x 65.5(W) x 33(H)±0.2mm High-end optical sensor with precise tracking, adjustable with 4 DPI settings. Ergonomic design for lasting comfort. LED lighting, corresponding gear color flashes when DPI is adjusted.