MICROSOFT Wireless Notebook Laser Mouse 6000 RF Wireless Laser Mouse Silver Retail Microsoft Wireless Notebook Laser Mouse 6000 General Features: Silver color 4-buttons High Definition Laser Technology Scroll wheel: 4-way scrolling with Tilt Wheel technology Magnifier to enlarge and edit details Includes Snap-in USB receiver Comfortable in either hand Operates on one (1) AA battery (included) Unit Dimensions: 1.9 x 2.1 x 3.8-inches (H x W x D, approximate)