Leviton WSS10-DI Wireless Wall Switch Receiver, Ivory Wall switch receiver and self-powered remote switch fit in a standard single-gang wall box - simple, fast installation with no additional wiring Non-neutral models for retrofit applications available (WSS10 models) Convenient wireless multi-location (3-way or 4-way) switch solution  simply link the Wall Switch Receiver and as much as six Wireless Self-Powered Remote Switches  no additional wiring needed Provides local control and manual override (WSS10 models) Compatible with incandescent, fluorescent and low-voltage lighting as well as electronic and magnetic ballasts