http://www.flipkart.com/dragon-war-chaos-wired-gaming-mouse/p/itmeaea2mghp5hwn Key Features of Dragon War Chaos Wired Gaming Mouse ->Ergonomic Gaming Design ->9 Programmable Buttons ->800 / 1600 / 2400 / 3200 dpi Sensor ->In-built Memory ->Silent Click ->LED Light ->Macro Function