Inspired by classic, right-handed, and ergonomic styles, CM Storm Alcor is a gaming mouse with a natural contoured grip designed for maximum comfort. Outlast the competition regardless of your hand size, grip style, or handedness. The ergonomic shape encourages a firm and comfortable grip that feels more natural in your hand. It comes equipped with an Avago 3090 optical sensor that provides up to 4000 DPI. Its highest grade Japanese Omron switches guarantee 5 million clicks. Design - Palm Body Material - Rubber Paint Sensor - Avago 3090 Optical Sensor DPI - 4000 Switch - Omron 5 million clicks Onboard Memory - 128 Kb Polling Rate - 1000 Hz /1 ms Max. tracking speed - 60ips/20g Button assignment - 7 keys Cable Lenght - 2m / 6.56 feet Dimensions - 60.4 x 40.2 x 124.8 mm / 2.38 x 1.58 x 4.91 inches Weight - 120 g / 0.27 lbs LED Color - Multi color, the CM Storm logo on the mouse changes colors to indicate the current DPI level: 800=White 1600=Red 3200=Green 4000=Blue