Foil covered keyboard Mounting type: front panel with threaded bolts Front panel material: aluminium Cursor control: 50-mm trackball, optic Protection level (max): IP65 (front) Number of keys: 105 Keyswitch technology: short travel keys Operating force: 2.6 N Switch travel: 0.3 mm Switching cycles: approx. 3 mill. (per key) Interfaces: PS/2 Operating temperature: 0 °C to +70 °C Storage temperature: -25 °C to +80 °C Dimensions: 482.6 x 177.8 x 50 mm Weight: 1600 Layout: german