LOGITECH WIRELESS KEYBOARD MOUSE COMBO MK275

Wireless Range 10 meters (may vary due to environmental and computing conditions)
Spill-resistant Design Tested under limited conditions (up to 60 ml liquid spillage)
Adjustable Keyboard Height Yes
10-Key Number Pad Yes
Key Type Deep profile
Caps Lock Indicator Light Yes
On/Off Power Switch (Keyboard) Yes
Batteries (Keyboard) 2 AAA Alkaline Batteries
Battery Life (Keyboard) 36 months (may vary based on usage)
Sensor Technology Smooth Optical Tracking
Number of Buttons 3 (Left/Right-click, Middle click)
Scrolling Line-by-line
Scroll Wheel Yes, 2D, optical
On/Off Power Button (Mouse) Yes
Batteries (Mouse) 1 AA Alkaline Battery
Battery Life (Mouse) 12 months (may vary based on usage)
Mouse Plastics 49% post-consumer recycled material
Keyboard Plastics 54% post-consumer recycled material
Warranty 3 Years from Logitech Service Centre