On the market Hidden desktop socket The following checks, from the quality:
1 select the professional production of large brands
2 confirm the socket has passed ISO9001: 2000 certification
3 quality pre-sales service, customer service, general Hodge service is not guaranteed
There is no sign of 4 related products under the "3C" certification mark and the production side
In addition to judge from the design, when installed at the height of 1.8 meters below the socket is good, with a protective shell. There is a single hole is inserted into the lock function, that is to open the double protection device. Good design is in order to avoid the accident caused by the child mistakenly touch.