This is a perfect choice if you are in need of a rugged push button! These metal push buttons are a very tough, small, panel-mount switch with an illuminated Red Yellow Blue Green LED ring With switch symbol.
Suitable for DIY Computer Switch and Restart Button .

Metal Button Technical Parameters
LED Parameters:
LED Type: High brightness LED lamp , Cool.
Rated Voltage : 3-6V.
Rated Current: ≤20mA.
Switch rated load:
12mm switch - AC/DC 220V 3A Max;
16mm switch - AC / DC 220V 5A Max.
Switch Type : Fast moving single contact.
Contact resistance : ≤50mΩ.
Insulation resistanace : ≥1000MΩ.
Insulation strength : 2000VAC.
Ambient temperature : -20°C - +55°C.
Waterproof grade IP67,
Explosion grade IK10(for metal material)
Operating pressure : 2.5- 4.5 N.
Outer Shell: Stainless steel.
Press key : Stainless steel.
Base seat : Engineering plastic.
Touchpoint: Silver alloy.

Note:
These switches come with a rubber O-ring which makes them splash resistant but they can NOT be submerged in the water.
The project and application you are going to be used for,don't let current go above 5 amps.Or the switch will get warm and to be burned out.