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
Wireless & Battery-Free Light Switch – Single Rocker – RunLessWire
MIT engineers build a battery-free, wireless underwater camera | MIT News | Massachusetts Institute of Technology
Battery-free, wireless soft sensors for continuous multi-site measurements of pressure and temperature from patients at risk for pressure injuries | Nature Communications
Amazon.com: Key Connection WLBF95 Battery Free Wireless Optical Mouse and Pad (Round) with Vertical and Horizontal Scroll : Electronics
Battery-Free – EnOcean
Battery-free wireless devices that float in the wind