Foil covered keyboard Housing: front panel with threaded bolts Front panel material: aluminium Max. Protection level: IP65 (front) Cursor control: 50-mm-trackball Number of keys: 105 Interfaces: USB Keyswitch technology: short travel keys Operating force: 2.6 N Switch travel: 0.3 mm Switching cycles: ca. 3 Mio Operating temperature: 0°C to +70°C Storage temperature: -25°C to +80°C Dimensions: 482,6 x 177,8 x 50 mm Weight: g Layout: german