| Model | D-87158-B |
| Size | 60x57mm |
| Number of Keys | 16 keys |
| Material | stainless steel (front panel) and alumina alloy |
| Key travel | 1.5mm |
| key switch lifespan | more than 2 million operations |
| Key graphics | laser-engraved legends & characters in a durable paint |
| Mounting style | panel mount |
| Supply Voltage | 5V DC +/-5% |
| Communication interface | Matrix |
| Protection Level: | IP65(front panel) |
| Operating temperature | -40 ~+70 |
| Storage temperature | -40 ~ +80 |
| Certificate | CE FCC RoHS Compliant |
| OS support | DOS/Windows95/98/NT/ME/2000/2003/XP/Vista/7,8,10 Linux, Mac,etc |
| MTBF | >50000H |
| MTTR | <30min |
| APPLICATION | Password Unlock Door System,Access control,Vending Machine. |
