This universal adapter is a compact one piece unit with 4 international adapters, and provide a child protection safety shutter, power indicator light and surge protector. this item with fit the plugs in europe/uk/usa/china/japan/australia/spain and almost every country in the world. lock / unlock button (green color) power light indicator small and lightweight, so easy travel convenience come with a bag for you bring it to travel suitable for all equipment without earthing the adapter only convert the shape of the power adapter only. it will not convert voltage.