Brand Alienware Number of Buttons 9 Style AW558 Item Dimensions LxWxH 5.11 x 3.24 x 1.51 inches Item Weight 0.32 Pounds Brand Alienware Item model number NMK8F Hardware Platform PC Item Weight 5.1 ounces Product Dimensions 5.11 x 3.24 x 1.51 inches Item Dimensions LxWxH 5.11 x 3.24 x 1.51 inches Batteries 2 AAA batteries required. (included) Manufacturer Dell Marketing USA, LP ASIN B00FKYVW6W Is Discontinued By Manufacturer No Date First Available October 2, 2013 16.8M AlienFX RGB lighting DPI indicator 3 on-the-fly DPI settings All programmable buttons