Brand Name Logitech Series Logitech G903 Lightspeed Wireless Gaming Mouse Item model number 910-005083 Hardware Platform PC Operating System Microsoft Windows Item Weight 1.11 pounds Product Dimensions 2.8 x 6.9 x 5.3 inches Item Dimensions L x W x H 2.83 x 6.89 x 5.35 inches Color black Batteries 1 CR2 batteries required. (included)