1. No hub required, works with Alexa and Google Home for Voice Control after successfully connecting the power strip, Alexa can only control the entire power strip.
2. You can control each connector individually on the app.
3. Safety with ETL / CE / FCC / ROHS certificate.
Smart power strip has 3 surge power outlets and 4 USB Charger ports, 1.8m extension cable, all 3 jacks can be remotely controlled independently on the phone, ideal for your home or smartphone