Amazon has the TP-Link HS210 Smart WiFi Light Switches – 3 Way Kit in $29.99 with free shipping.
Product Features:
- Remotely control your lights.
- Two smart switches included.
- Built-in 2.4 GHz WiFi.
- Compatible with iOS and Android Devices.
- Free Kasa Mobile App.
- Programmable scheduling.
- Away mode.
- Works with Alexa and Google Assistant.