Attempted to fit an LW400 last night and then realised that almost all of my downstairs lights are 2-way.
Do I just need another LW400 or do I need a different part number of switch?
i.e. can an LW400 be a master and slave?
For 2 way operation with a LW400 you need a slave unit as the other item.
LW450 is a single gang slave, LW452 is a dual gang slave
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