Logitech Wireless Combo Mk520

Technical Specifications

Wireless range: 33 ft (10 m)

Keyboard
Spill-resistant design
Adjustable Height
Special Keys: Music Controls
Palm Rest
10-Key Number pad
Key type: Deep profile
On/Off power switch
2 AA batteries
Battery: 36 months

Mouse
Sensor Technology: Smooth Optical Tracking
Number of Buttons: 3 (Left/Right-click, Middle click)
Scrolling: line-by-line
Scroll Wheel: Yes, optical
Connect / Power: On/Off power button
1 AA battery
Battery: 18 months