Ltpgtthe jsjslw455 lightwaverf 2 gang master slave dimmer switch in chrome is designed to operate with any master lightwaverf dimmer switch to allow for situations like synchronising your downstairs hall lighting with upstairs landing lighting the jsjslw455ss master 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 oper