Logitech Keyboard Wireless Combo MK220 920-003160

Brand: Logitech
Model: MK220
Wireless range: 10 meters
Key type: Deep-profile
Spill-resistant: yes
Batteries: 2 AAA batteries
Sensor Technology: Smooth Optical Tracking
Number of Buttons: 3 (Left/Right-click, Middle click)
Scrolling: line-by-line
Scroll Wheel: Yes, optical
Batteries: 2 AA batteries
Warranty: 2 Years