The batteryless wireless light switch makes life simple

Why aren't there any battery-powered Wi-Fi smart home switches? - Stacey on IoT

Wireless Light Switch,Battery-Free Wall Switch with Receiver,Self-Powered Switch

Wireless & Battery-Free Light Switch – Single Rocker – RunLessWire

ZigBee Wireless Self-powered Scene Switch Sticker No Battery Needed – MOES

1-4 gang battery free wireless switch_Zigbee-Tuya Smart

RunLessWire - The Original Self-Powered (NO Batteries) Wireless Light Switch & Receiver Kit, No WiFi Needed, DIY, Remote 150+ft

Durable wireless batteryless light switch In Many Modular Designs

Why would you ever want a wireless light switch?

My old phone after I've turned it into a battery-less Android Auto machine : r/techsupportmacgyver