| Model | D-89169 |
| Size | 282*112mm (front panel) |
| Number of Keys | 20 keys |
| Material | 304 stainless steel, Silicone |
| Key travel | 1.0mm |
| key switch lifespan | more than 2 million operations |
| Key graphics | laser-engraved |
| Mounting style | panel mount |
| Supply Voltage | 5V DC +/-5% |
| Communication interface | I2C |
| Protection Level: | IP65(front panel) |
| Operating temperature | -40C ~+70C |
| Storage temperature | -40C ~ +80C |
| Certificate | CE FCC RoHS Compliant |
| OS support | DOS/Windows95/98/NT/ME/2000/2003/XP/Vista/7,8,10 Linux, Mac,etc |
| MTBF | >20000H |
| MTTR | <30min |
| APPLICATION | Coal Miner PMC-R Roof Support Control |
