Moes House via Amazon offers its Moes WiFi Smart In-Wall Light Switch in White for $25.99. Coupon code "24A7ZPCB" drops that to $19.75. With free shipping, that's the lowest price we could find by $10. It features remote control and scheduling via the Smart Life mobile app and voice control via Amazon Alexa or Google Assistant. (A neutral wire is required for installation.) Deal ends September 7.