1.304# stainless steel keypad.
2.1X4 layout, Matrix design.4 function buttons.
3.Buttons layout could be customized as clients’ request.
4.With the exception of the telephone, the keyboard can also be designed for other purposes
5.Keypad signal can be RS232/RS485/matrix design
| Item | 1x4 keypad |
| Input Voltage | 3.3V/5V |
| Waterproof Grade | IP65 |
| Vandal roof Grade | IK09 |
| Working Life | More than 1 million time per key |
| Key Elasticity | 250g/2.45N |
| Key Travel Distance | 0.45mm |
| Working Temperature | -25℃～+65℃ |
| Storgage Temperature | -40℃～+85℃ |
| Relative Humidity | 30%-95% |
keypad mainly used for elevator and access control system
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