features:

     7-color LED illumination with 4 modes of lighting
     19 button protection from glare
     reulirashta to speed repetition
     button to lock the windows
     Buttons lock
     multimedia buttons
     lifecycle keypresses - 10 million clicks

System Requirements:

     Windows 7/8/10
     Available USB2.0 port

dimensions:

     Size: 460 x 188.5 x 28.5 mm
     Package size: 480 x 512 x 35 mm
     Weight: 690 g