2 sets, but work all together. I did this, the white ringer and 4 of the plug in bell units. The black bell button hasn't been used. KT3 3EB
I will use the promised etc freegle feature, so no need to ask if still available. Please suggest when you could collect. Thx.
Doorbell (Norbiton KT3)
This offer has been gifted to someone and is no longer available.