IP65 dynamic rated washable rugged anti-vibration and removable 50.0mm black resin mechanical trackball module with 400DPI resolutions for fast and accurate cursor position with smooth operation without any noise, which can be detached for easy cleaning; With two external left and right mouse buttons optional, panel mounted solution. Designed to meet MIL-STD-810H (high and low wide temperature, low pressure, humidity, vibration, shock, salt spray, temperature shock, rain, sand & dust, fungus, solar radiation etc.) as well as military standards: reliability, safety, maintainability, testability, supportability, environmental adaptability, stability, compatibility, consistency, and continuity, MIL-STD-461G-EMC-EMI-EMS-ESD optional.
DIMENSION: 72.9mm x 72.9mm (front panel)