Mechanical keyswitches with laser etched keycaps.
Without 'Windows keys'
Trackball:
Scanning: Optical or mechanical. Two switch activated mouse buttons.
Resolution: For Optical 400 dpi.
Cable Length: approx. 1.75 m (non-coiled)
Storage Temperature: -20°C to 60°C
Operating Temperature: 0°C to 40°C
Weight: 563g