Product description

the smart switch is wireless, battery-free, movable, saving cable & labors cost, energy saving, green solution
- it's innovation technology, .self-power, no electricity, no battery, so save wiring time,material & labors' costs, space, and won't damage the wall/shorten installation period
- it's movable (can be struck to the wall, glass, closet door, everywhere you want), specially luxury fixed at glass wall. 
- it's easy installation, house woman can do it. 
- it can not only control light, but ceiling fan, curtain, value, TV...
- Dimmer light control is workable.
- wireless frequency: 433Mhz.