12/16/19/22mm Waterproof Metal Push Button Switch LED Light Momentary Latching Car Engine Power Switch 5V 12V 24V 220V Red Blue

Note: the connector needs to be purchased separately

Difference between auto-recovery button and auto-lock button:
1. Self-recovery button: press this button to turn on the power (light on);
Release your hand, the power will appear and turn off automatically (the light goes out)
2. Self-locking button: press the power button, release your hand, and keep the button stationary (lit);
Press the button again to display and turn off the power (the light goes out).
Product parameters
Head type: round head
Housing material: metal
Operation type: Momentary self-reset/fixed self-locking
Emitting color: red / yellow / blue / green / white
Opening size: 12mm/16mm/19mm/22mm

1.What does the signal “NC” and “NO” means?

  + : positive pole of the led
–  : negative pole of the led
NC : Normal Close
NO : Normal Open
C   : Common