sensormass00

https://sensormass.com/12v-magnetic-switch.html
12 volt magnetic switch
The Magnetic Switch utilizing a 12V magnetic reed switch which is a Magnetic ON OFF Switch 12V designed for a wide range of applications. It detects magnetic fields to activate or deactivate devices based on their proximity. The 12V magnetic switch is used in appliances such as car counters, scanners, and electric irons.