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| RD-PC-D-BL black panel metal keyboard |
| Front Panel | 304 stainless steel |
| Key | 304 stainless steel |
| Trackball | 304 stainless steel |
| Back Panel | Aluminum alloy |
| Voltage | 5.0VDC ±5% |
| Electric current | 10mA |
| EMC Emission | EN55022(B) |
| Trackball frequency |
| Operating Temperature | -10℃ to +50℃ |
| Storage Temperature | -30℃ to +70℃ |
| Relative humidity | 30%~95% |
| Atmospheric pressure | 50 ~ 110kPa |
| Life Expedance | >1 million times per key |
| Stroke Travel | 2mm |
| Actuation Force | 120g nominal |
| Lettering | Rasied key with high density printing ink |
| Weight | 1.6kg |
| MTBF | >20000h |
| MTTR | <30min |