Model : Logitech MX Revolution

Product Features
MicroGear Precision scroll wheel operates in two distinct modes, allowing you to scroll faster and with more precision than ever before.
SmartShift technology automatically applies the best scrolling mode for the application you're using.
Document quick flip lets you move effortlessly between documents and applications.
Integrated search button connects instantly to your preferred search engine.
Precise laser technology and a rechargeable battery

Technical Details
Device Type: Mouse
Connection Type: Cordless
Tracking Method: Laser
Buttons: 7
Vertical Scroll: Yes
Power Supply Type: Power Via Rechargeable Lithium Ion Battery
Special Features: 2 Thumb Buttons
Special Features: Rechargeable
Special Features: Document Quick-Flip Button
Special Features: Search Button
Frequency: 2.4GHz