It measures around 8" long by 5" wide and weighs about 1lb, 5oz, I don't care about the design (which is a bit the 80s), but I seriously wonder how good/bad it is as a daily pointing device.A durable and proven design for general industrial and defence applications that require reliable and cost-effective performance.
- PS2 or USB output - other protocols available
- Sealed (IP65) or Unsealed (IP44) Versions
- Choice of ball colour
- Latching drag switch
The ps/2 version of the Ametek Traxsys TrackBall looks like this one, which is USB. The page says other protocols are available since it's defined "50mm industrial device".