1.floor socket,round floor socket, pop-up floor socket 2.CE approved ,good metel 3.the products sales well in the market 220V,10A ,16A The shape is not the same as the square spring socket, its panel is ยข150mm, other functions are the same. 1.floor socket,round floor socket, pop-up floor socket2.CE approved ,good metel 3.the products sales well in the market