— To enter any data from any program
— Compatible with Windows 98/ME/2000/XP
— High level of protection makes this keyboard possible to be used in any crowded places
— Cleaned easily
— PS/2 - cabel
— Caps Lock Indicator

— Keys: stainless steel 304
— Trackball: stainless steel 304
— Back panel: aluminum

— Resistance: 10mА
— EMC Emission: EN55022(B)
— Trackball resolution: X: >200dpi ; Y: >190dpi
— Environmental temperature for operation: from 0° to +45°
— Environmental temperature for storage: from -30° to +70°
— Relative humidity: 30% ~ 95%
— Service life: over 1 mln stroke/key
— Touch area: 2 mm
— Press force: 80g rated
— Applied images of characters: high-density application
— Weight: 1.7 kg