RunLessWire Simple Wireless Light Switch Kit, No-Wires and Battery-Free Light Switches for Home (1 Receiver and 1 Light Switch) RW9-SKWH - The Home Depot
In-Wall Lighting Control Switch with Wireless Remote at Menards®
Wireless On/Off Switch - Lee Valley Tools
RunLessWire - The Original Self-Powered (NO Batteries) Wireless Switch & Receiver Kit No WiFi Needed Remote Switch - 3 Way Fan & Light: 2 Receivers, 2 Double Switches - White - Amazon.com
DEWENWILS Indoor Wireless Light Switch, Remote Control Wall Light Switch and Receiver Kit, No in-Wall Wiring Required, White - Walmart.com