Momentarily energise the coil and the relay will mechanically latch on one set of contacts.

Momentarily energise again and it will change over to the other contact.

12 volt. Both contacts 25a rated.

For Dip/Main beam using a momentary switch.

A spring clip on the case will clip over the edge of a thin panel.

LATCHING CHANGE-OVER RELAY #RLY6LAT