This Pop-Up Socket and USB Charger well-built and sturdy unit is easily attached to the table or any flat surface and can be mounted in minutes. A power supply system that can be easily fitted into work surfaces by cutting a 102 – 105mm diameter hole. System pops out of work surface to reveal 3 plug sockets and 2 x USB ports ,this unit enables you to connect up to three mains powered units side by side, so you can add extra power sockets without the hassle. Two USB ports integrated to charge the latest USB devices.