Foil covered keyboard Mounting type: front panel with threaded bolts Max. Protection level: IP65 Pointing devices: 38 mm Trackball Number of keys: 105 Interfaces: PS/2 Switching technology: short travel keys Operation force: 2.6 N Switch travel: 0.3 mm Switching cycles: approx. 3 mill. Operating temp.: 0°C to +70°C Storage temp.: -25°C to +80°C Dimension: 482.6 x 177.8 x 50 mm Weight: 1300 g Layout: german