NSi E50-76A31D Ergonomical 50 mm desktop trackball
Sealing to IP68 (fully waterproof)
Infra-red optical navigation technology
Integrated IP68 hall-effect scroll wheel
Integrated left, middle and right switch functionality
Large 50mm ball for precise cursor movement
Removable ball for easy cleaning
Outputs: USB
Smooth operation in rugged environments
No special driver required
This trackball is also available with IEC60945 marine certificationersion