Stainless steel keyboard INTI-4 TB2 with stainless steel trackball
according to specification:

• German layout
• salient long stroke keyboard with V2A-metal caps (permits a quick input, buttons safe against screwing and annulling)
• V2A-steel against vandalism and for outdoor application
• with laser labelled “Internet-buttons/hotkeys”
• incl. controller and PS/2-cable for keyboard
• protection class: IP65 on the front (trackball IP65 static, IP54 dynamic)
• operating temperature: -20° up to +70° Celsius
  (trackball: -10 up to 55 degree Celsius)