Product Description:
The product KY-2120D has a total of 12 buttons. The buttons can emit light. It is an embedded device and is widely used in the fields of financial equipment, communication equipment, military equipment, and a series of self-service terminal devices.
Mechanical / Electrical Data:
| Power supply | 5V±5% |
| Working current | <150mA |
| Durability | >2 million |
| Interface | Support USB / PS/2/ RS232 |
| Compatible with systems | Window XP、Window 7、Window 8、Window 10、Linux、Ubuntu、Android |
| Key size | 21.5*15.5*1.5mm |
| Key trip | 0.45mm |
| Operation force | 3N ± 10% |
| Mounting way | From bottom to top, the base plate is fixedly assembled |
| Net weight | |
| Gross weight | |
| Operation Temperature | -10℃~45℃(Relative humidity 20%~85% / Atmospheric pressure 60~106Kpa) |
| Storage Temperature | -30℃~85℃(Relative humidity 20%~90% / Atmospheric pressure 60~106Kpa) |




