Model: KJS-DG-80 Name: Round desktop socket color: Flash silver, satin black, bright chrome, pearl chrome, red bronze, brushed stainless steel Material: Zinc Alloy Size: diameter 90MM, 76MM inner diameter: 1, and Compared to the old go box, the product is more upscale, fashion, beauty. 2, the product easy to install, flexible and durable. 3, can work in -10 degrees Celsius above normal environment 4, high product safety. ABS plastic box on the back end, avoid hand contact with strong power. Uses: mainly used conference tables, furniture or on other occasions hotel