Product Name : Günsan Cream Ring Button Equana Switch Socket
Vavien Color : Cream
Vavien Amperage : 10A
Brand : Günsan
Voltage: 220V-250V
Feature : Push button, spring switch feature
What is the ring key?
It is used to control the lock that allows the door to be opened when the bell rings. Although it is no longer used as much as before with diaphone systems, it is used for controlling tongue locks.