Advanced / Pro Gamers 2400 DPI USB Powered Wired 5 Button (with Scroll) Gaming Mouse Precise Soft button and Scroll. High resolution 2400dpi (adjustable with one click - 800/1200/1800/2400DPI). 5 Buttons with scroll wheel. Back and forward buttons. Driverless installation - USB - Plug and Play. 80,000 hours usage life. 1700mm cable length. Comfortable 110 (L) x 78 (W) x 39mm (H). 95g. Optical Technology - works on any surface apart from clear glass