Waterproof button structure: stainless steel brass nickel-plated shell, high-quality metal shell, waterproof rubber ring, more peace of mind when using electricity
Description of the illuminated button: LED can choose a variety of colors, soft light effect, moderate brightness, non-glaring, long life; the ring power symbol is illuminated, and the ring light is illuminated;
Performance of metal micro switch:
Normally open contact (NO): Normally in the off state, it will be on after pressing
Normally closed contact (NC): usually in the on state, and then disconnected after pressing
Self-resetting: After pressing, the button will reset and bounce as soon as the hand is released (such as computer buttons, doorbell switches)
Self-locking: After pressing, the button is locked, and then pressing again, the button can bounce back (for example, the wall switch at home)

Physical picture of computer case switch button:

Wiring instructions for metal signal lights:
Normally open wiring 1: connect the lighted switch to the normally open pin NO, and the LED light will turn on when pressed
1: the lower level of the power supply is connected to the common terminal C;

2: the normally open pin NO and the LED positive level are connected to the positive level of the device;

3: the negative power level and the negative electrode of the LED are connected to the negative pole of the device together;

Normally open wiring 2: connect the lighted switch to the normally open pin NO, and the LED light is always on;
1: the LED positive stage and the common terminal are connected to the positive pole of the power supply;

2: the normally open pin NO is connected to the positive pole of the device;

3: the negative pole of the power supply and the LED negative pole are connected to the negative pole of the device together;

Normally closed wiring 1: Connect the lighted switch to the normally closed pin NC, and the LED light will go out when pressed;
1: the positive stage of the power supply is connected to the common terminal C;

2: the normally closed pin NC and the positive stage of the LED are connected to the positive stage of the device;

3: the negative pole of the power supply and the negative pole of the LED are connected to the negative pole of the device together;

Normally closed connection 2: connect the lighted switch to the normally closed foot NC, the LED light is always on
 1: Connect the positive pole of the LED and the common terminal to the positive pole of the power supply; 

2: Connect the normally closed pin NC to the positive pole of the device;

3: Connect the negative pole of the power supply and the negative pole of the LED to the negative pole of the device;

No light normally open wiring: press the button to power on the device;
1: Connect one end of the power supply to the button "C" (common end);

2: Connect the switch NO (ie, normally open end) to one end of the device;

3: Connect the other end of the power supply to the device;

Normally closed connection without light: power off the device when the button is pressed;
1: Connect one end of the power supply to the button "C" "common terminal";

 2: Connect the switch NC (ie normally closed) to one end of the device;

3: Connect the other end of the power supply to the device;