3000dpi, 4 buttons, USB Wireless Mouse Zalman ZM-M500WL uses cutting-edge sensor AVAGO A3000 ensures high accuracy, stability and quick responsiveness. With a dedicated button on top of the extra resolution can intuitively switch between the values \u200b\u200bof 1000, 1500 and 3000 DPI. The change you are also informed by a short beep. Other advantages of the mouse should mention intelligent power management, allowing you enough pairs of AA batteries really long time. Comfort when using ergonomic design ensures primarily a wireless data transmission. Thanks to him, it is the ideal mouse for frequent users, but only for them. High sliding surfaces will help you focus in a snap of a second wheel and precision workmanship make your documents and exchange of weapons while playing. Then easily transfer helps mini USB receiver that can be stored in the mouse body, as well as leave it in the laptop port.