Note: 1; Please check the user manual carefully, make sure the panels are plug in right direction

2: The difference between with bluetooth version is wifi version

1;The bluetooth version light use the App Magic Lantern; The Wifi version light use the App"Smart Life" or Tuya Smart;
2; Only wifi version support the voice control(Alexa or google assistant);
3;Bluetooth version is easy to use, just turn on the bluetooth to pair; Wifi version needs to connect with wifi(2.4ghz)
; 4; Bluetooth version light could be controlled with bluetooth distance range(within 10meters);Wifi version light could be controlled without distance range, as long as connected with wifi, and your phone has internet, you could remote control the light even you are outside of house;