Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A Wireless light switch is a light switch that commands a light or home appliance to turn itself off or on, instead of interrupting the power line going to the light fixture.MUltiple transmitters can be used with a single receiver, allowing more than the two-switch limit imposed by using a three-way switch. SOme modern vehicles also have built-in transmitters.WIreless light switches eliminate the wire from the light to the switch location. THis is useful in remodeling situations where new wiring can be a hassle. RAther than tearing down a wall to gain access to the wires a wireless switch can be used. THis avoids any need to access wires and makes remodeling fast and simple.