Ltpgtwire free switches are battery operated and low voltage so they can safely be fitted in places like bathrooms where regulations would prohibit the use of mains powered switches use wire free switches to control any number of individual wire free dimmersltbr gtltbr gtltpgtltulgtltligttx transmitterltligtltligtremote controlltligtltligtradio frequency 4339mhzltligtltligtmax unique channels unlimited within 15m rangeltligtlt