Tek Syndicate Gaming Mouse - Standard Issue Pixart PWM 3310 optical (infrared) sensor. 5000 CPI (same as DPI) adjustable in 1000 CPI increments. Omron switches Sniper button (500 CPI Toggle) position far forward, accidental pressing highly unlikely. No acceleration. Rubberized coating. Textured sides for grip. Size: 129 x 73 x 38 mm. Weight: 166g with cable. 125g without cable. Six buttons (two dedicated to DPI & one sniper button). Rubber cable (lighter weight and less drag). No software. Purple LED Available only from Tek Syndicate.