1) LED color: red LED,blue LED,yellow LED,other color LED

2) Braille: braille in button surface

3) Button surface: flat surface

4) Connection:wire connection

5) Voltage:DV24V

6) Normal open,normal closed

7) Number and figure in buttons surface:

1,2,3...64,DOOR OPEN,DOOR CLOSE,ARROW UP,ARROW DOWN,ALARM,CALL,G,B,P,B1,etc

1) Button surface material:outer frame material is ABS,button surface cover material is stainless steel

2) The thickness of installation plate:2-3mm

3) Installed by plastic clipping

4) Life: more then 10 million of operation life

5) Reference supplied for LG elevator