1) Installation hole diameter: 16mm
2) Max. Current / voltage rating with resistive load of 2A 250V
3) Every pushbutton can have from one to four switch units
4) The front shape: Flat round head, high round head
5) Many types are available: Indicator light, pushbutton alternate or
Momentary and illuminated pushbutton alternate or momentary
6) Illuminated pushbuttons use LED lamps, and the life is more than
40 thousand hours
7) Red, green, yellow, orange, blue or white illuminated for your options
8) Three crusts are available with nickel-plated brass, gold-plated brass
And stainless steel
9) IP protective degree: IP40, IP65, IP67