3-Key with Trackball
| Number of Keys | 3 Keys |
| Pointing Device | Integrated Small Sleek Trackball |
| Key Type | Metallic with Dome Mechanism |
| PCB Size | 480 mm x 148 mm |
| PCB Thickness | 1.8 mm |
| Total Keyboard Thickness | As per design specification (±0.2 mm tolerance) |
| Key Material | High Quality Stainless Steel (SS) |
| Key Marking | Chemical Etched Lettering |
| Interface Compatibility | USB / PS2 Compatible |
| Construction | Dustproof and Vandal-Resistant |
| Environmental Protection | Industrial Grade (IP Rated Design) |
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