Logitech Wireless Combo MK345 920-010068

Brand: Logitech
Model: MK345
Spill-resistant design: Yes
Adjustable keyboard height: Yes
Number pad: 10-Key
Sensor Technology: Smooth Optical Tracking
Number of Buttons: 3 (Left/Right-click, Middle click)
Scrolling: line-by-line
Scroll Wheel: Yes, 2D, mechanical
Warranty: 2 years