According to a response from them on Facebook, the Smart Dimmer Switch works with all WiFi bulbs!
“Yeelight: Relax, guys, the wall switch suits all the wifi lamps of yeelight, it’s a bluetootch wall switch.”
https://www.facebook.com/Yeelight/photos/pcb.1446357968827426/1446357185494171/?type=3&theater
Anyone from Yeelight here in the forum could answer this question?
