HIYILL WS4/R16 Wireless Light Switch, Wall Switch Lighting Control, Remote Operation,No Battery Self-Powered, Quick Create or Relocate On/off Switches for Lamps Fans Appliances (Switch & Receiver)

Add or relocate a switch to lights without wiring, without pulling wires to switch location!

How HiYiLL Switch Works:

Wireless on/off switch kit is consist of switch and receiver.
1.Switch: Self-powered RF transmitter, battery-free and no external power need (Place anywhere in your house)
2.Receiver: Accept transmitter (switch) signal to control power on/off to light. (Wired between power and lamp)
3.Switch sends on/off signal to receiver to accomplish power switching control

A switch can pair with multiple receivers to accomplish one switch simultaneously control several lamps on/off
A receiver can pair with several switches to accomplish multi-way on/off control, like 3 way, 4 way switch, etc

Build Flexible Control Ways:

1 switch kit (1 switch+1 receiver): Create 2-way switch, 1 switch control one light
1 switch kit + 1 switch: Create 3-way switch, 2 switches control one light
1 switch kit + switches: Create multi-way switch, multi switches control one light
1 switch kit + 1 receiver: Create one switch simultaneously control two lights on/off
1 switch kit + receivers: Create one switch simultaneously control several lights on/off

Features:

- 433mhz, transmission distance 300 feet outdoor, 100 feet indoor
- Encrypted connection, no signal interferences between switches.
- Self-powered, battery-free, no external power connecting required
- Water resistance, can be used in wet environment like outdoor, bathroom
- 20 years lifetime, size: 1.4"x3"x0.8",wall mount or portable remotes

Package List:
1 x Switch
2 x Screws
1 x 3M Tape
1 x Manual