A range of pointing devices with trackball (ball diameter 38 or 50 mm) and with three buttons using our long travel keyboard technology. Several versions are offered : desktop, panel mounting or 19" rack mounting. Interfaces : PS/2 or USB, RS232 on request. Applications : industrial (Automation, supervision, special machines, tool machines, toll motorway, parking payment), military, medical, kiosk applications. On request, customized version with special housing. These pointing devices are IP65 dust and water proof. Color of housing / front panel : anthracite (RAL7021) or light grey (RAL7035).