Office Furniture Smart Retractable Pull Pop up Desktop Power Socket with USB Outlets (Two styles can choose,pull up in the same way) 1. The installation method of the product is flexible and can be erected and installed horizontally 2. The product is hidden pull design 3. The product is simple to open the hole, just lead the wiring to the location of the socket, the plug directly into the socket interface hidden under the desktop, the desktop function can be used 4.Support British, American, European, Australian, German, French etc. CUTTING HOLE SIZE: GERMANY, FRANCE, AUSTRALIAN, US: 80MM UK: 90MM 5.Socket module can be customized according to customer requirements.