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his type product is suitable for conferencing room, office desk, cabinet celling, board, showing room, decoration of family, stage or other places, which integrates power socket and the light current interface in the same product. It will be hidden under the desk, only occupies 85mm circle hole of table. The body of this product uses high-quality aluminum treatment with anodizing. It is mat black and easy to clean.
link:http://www.hkram.com/desk-power-outlet/pop-up-usb-outlet/kitchen-motorized-pop-up-socket.html
Kitchen Motorized Pop Up Socket