Beeebo-us via Amazon offers the Koogeek Smart WiFi 1-Gang Light Switch for $45.99. Apply coupon code "HQXU7YB6" to cut that to $34.03. With free shipping, that's the lowest price we could find by $12. It allows you to control and monitor connected lights from your iOS mobile device via the Koogeek Home app. It's also compatible with Apple HomeKit technology and supports Siri voice control.

Update: The price has dropped to $44.99 before coupon, $33.29 after.