Av Star (HK) Universal Vertical & Tower Plug / Socket 4x2 Outlets + 2 USB with Retractable Power Cable Vertical power socket use hierarchical design which remedy the horizontal socket's disadvantage of encumbrance With Circuit Breaker - For Worldwide Use - USA Plug Widely used in famlily,office,store and other public place Its tower design blends seamlessly with today's modern electronics and appliances, while saving valuable space Lighting and Overload protector,with 2 USB + 4*2 Outlets