The 3 pins Outlet Plug (I Type) for Australia, New Zealand, China
& Argentina is a "child-proof" type design, which fits the common socket outlet in Australia and most area in China. It just likes the plug of your electrical appliance to cover the socket outlet and away your child to place their fingers, toy keys or other objects into the socket outlet. It is easy to plug in the wall socket but difficult for little hands to remove. However, an adult can simply to remove the plug with just a squeeze.