AV STAR (HK) Smart Universal vertical & multiple electrical socket with usb ports for worldwide use / USA plug Vertical power socket use hierarchical design which remedy the horizontal socket's disadvantage of encumbrance With independent control switch and power light in each layer, use expediently and save power Surge Protector/overload protector for Worldwide use. Protects your equipment with breaker its tower design blends seamlessly with today's modern electronics and appliances, while saving valuable space Universal Power Tower Scoket 4x3 Outlets+2 USB