Self-generating Wireless Switch, No Wires, No Battery, Wireless Remote Control Lighting and Electrical appliances, Waterproof and Safe, can be Installed Directly in The Bathroom, etc (1 to 2)

Quinetic 5A Wireless Switch Receiver 10v/24v DC

Tedeligo Wireless Lights Switch Kit, AC 220V 240V Mini Wireless Radio Transmitter Easy to Install Removable Wireless Wall Panel Switch 100 Meters Control Range for Light Lamp Appliances（2 To 2）