$35 Wireless Light Switch & 5 Minutes to Install with Philips Hue
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RunLessWire Simple Wireless Light Switch Kit, No-Wires and Battery-Free Light Switches for Home (1 Receiver and 1 Light Switch) RW9-SKBK - The Home Depot
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AU US Standard 3 Way Wireless Light Switch Bulk,US Smart Light Switch
RunLessWire - The Original Self-Powered (NO Batteries) Wireless Light Switch & Receiver Kit No WiFi Needed DIY, Remote 150+ft RF Range - 3 Way: 1 Receiver, 2 Switches - White - Amazon.com
Remote Control Wireless Light Switch with Tiny Relay Module 2500W Magnetic Wall Switch or Be Portable 200m Range Easy to Install - AliExpress
DEWENWILS Indoor Wireless Remote Control Outlet, Electrical Plug in on off Power Switch, Wireless Wall Mounted Light Switch - Walmart.com
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RunLessWire Simple Wireless Light Switch Kit, No-Wires and Battery-Free Light Switches for Home (1 Receiver and 1-Light Switch) RW9-SKBR - The Home Depot