16 braille keys LED backlight keypad for blind people B667
It is a 4x4 LED backlight keypad with braille buttons which could be used in public machines, access control system or kiosks. With braille buttons, the blind people could also use the public facilities whenever they need.
We have excellent R&D team, strict QC team, superb technical team and good service sales team to provide customers with the best service and products. We are both a manufacturer and a trading company.
1.Raw material: zinc alloy material.
2.Keypad surface treatment: bright chrome plating or matte chrome plating.
3.The surface also could be made with waterproof sealing rubber.
4.LED color is optional and we cloud also use three or more LED color in a keypad at the same.
5.The filling materials of buttons is transparent or white, so the LED is less shinning when you see it directly.
This keypad is mainly designed for access control system,vending machine, security system and some other public facilities where some blind people would use it.
|
Item |
Technical data |
|
Input Voltage |
3.3V/5V |
|
Waterproof Grade |
IP65 |
|
Actuation Force |
250g/2.45N(Pressure point) |
|
Rubber Life |
More than 2 million time per key |
|
Key Travel Distance |
0.45mm |
|
Working Temperature |
-25℃~+65℃ |
|
Storage Temperature |
-40℃~+85℃ |
|
Relative Humidity |
30%-95% |
|
Atmospheric Pressure |
60kpa-106kpa |
Any appointed connector could be made as customer's request. Let us know the exact item No. in advance.
If you have any color request, let us know.
85% spare parts are produced by our own factory and with matched test machines, we could confirm the function and standard directly.
