Here are what you need to make lights sync to videos playing on the TV:

• A "WiZ HDMI sync box with TV backlight" product kit   
• A TV and an "external" HDMI media device i.e. streaming stick, set-top box, gaming console or laptop
• A smartphone or tablet installed with WiZ app version from 1.25.6 
• A 2.4GHz b/g/n WPA-2 or WPA-3 Personal Wi-Fi network