Walmart has Enbrighten Mini Plug-In Wi-Fi Smart Switch (White, Model: 51511) on sale for $5.64. Shipping is free w/ Walmart+ (free trial [walmart.com]) or on Orders $35+. This is an excellent choice for automated Christmas light displays or to deter criminals.
Features of Enbrighten Mini Plug-In Wi-Fi Smart Switch:
- Connects to 2.4GHz networks of single-, dual- and tri-band routers
- No hub required for voice commands through Amazon Alexa and Google Assistant.
- Easy-to-Use App
- Schedules and automations support full customization based on times, presets, weather, location and other factors
- Indoor plug-in switch features a grounded outlet with a manual ON/OFF button with 125V and only occupies one outlet of a duplex receptacle.