Wireless ceiling light switches kit saves complicated wiring. Only need to place the wire linked to light fixture without wiring switches. When relocating the switch, no need to tear into walls. Put the switch anywhere and no limit on location. It save much installation time. Wireless ceiling light switches lit includes RF transmitter which the little electricity is generated by pressing the switch, and signal receiver which it receives the signal from switch to command light on/off. Switch, No battery, no wire! 

For new house, it saves a lot of wire and install quickly. 

For old house, if adding switch or changing switch location, no need to damage wall to place wire. 

For elder people with difficulty walking, they can take it on hand to control light.