Without ! . No Tearing ! . Quick Create or Relocate ON/OFF for Your Lights ! . How Acegoo Switch Works : Wireless on/off switch kit is of switch and receiver. . . : Self-powered RF transmitter, battery-free and no outer power need -LRB- Place anywhere in your house -RRB- 2. : Accept transmitter -LRB- switch -RRB- signal to control condition power on/off to lightly-armed. -LRB- Wired between power and lamp -RRB-. sends on/off signal to receiver to accomplish power switching control condition A switch can pair with doubled receivers to accomplish one switch simultaneously control condition respective lamps on/off A receiver can pair with respective switches to accomplish multi-way on/off control condition, like-minded 3 way, 4 way switch, etc Build supple Control Ways : 1 switch kit -LRB- 1 switch +1 receiver -RRB- : Create 2-way switch, 1 switch control condition one lightly-armed 1 switch kit + 1 switch : Create 3-way switch, 2 switches control condition one lightly-armed 1 switch kit + switches : Create multi-way switch, multi switches control condition one lightly-armed 1 switch kit + 1 receiver : Create one switch simultaneously control condition two lights on/off 1 switch kit + receivers : Create one switch simultaneously control condition respective lights on/off Features : - Works with any lights like-minded halogen/incandescent/CFL / fluorescent/LED lightly-armed. -, transmission distance 300 feet outdoor , 100 feet indoor - Wide voltage AC85-265v, standardized 10 amp, max electrical phenomenon load 16 amp. - encoded, no signal interferences between switches. - Battery-free mechanics, water resistance, 20 years lifetime. - size : 3.3 `` x3 .3 `` x0 .6 '', receiver size : 1.95 '' Dia x 0.9 '' H Package List : 1 x Receiver 1 x Switch 2 x Screws 1 x 3M Tape 1 x manual .