Sometimes I can't remember turning off the lights or the computer in my room when I'm out. In this case, if I use Smart Outlet 2, it would be very convenient to turn off the lights or appliances outside. Also, I am very excited because I could know how much electricity my house device used. But the type of outlet in this product doesn't fit my country. I use a round-shaped socket-outlet hole and its voltage is 220V. Anyway, I like this product and think it is a must for me.