1. Illuminated Push Button, Normal Push Button, Emergency Push Button.

2.  22mm, 16mm, 25mm, 30mm diameter hole, standard/thin type, IP40, IP65

3.  Voltage Rating: - 6V, 12V, 24V AC/DC, 100-110V AC, 200-220V AC, 400-440V AC, 500-550V AC.

4.   Color:-  green, yellow, red, orange, white, blue, black, clear, amber