Ltpgtthe jsjslw452 lightwaverf 2 gang slave slave dimmer switch in black is designed to operate with any lightwaverf dimmer switch to allow for situations like synchronising your downstairs hall lighting with upstairs landing lighting the jsjslw452ss slave slave dimmer is suitable for two way operation and installed in the same way as any standard light fitting using only a screwdriver when the slave dimmer is connected to a master lightwaverf dimmer it can be wirelessly operated using