[Energy saving and saving energy] For energy saving, there are 2 separate switches at the top of the export power board to control each side of the plug. If you do not need to charge many devices at a time, you can turn off the side of the plug. In order to save space, the vertical tower design makes the tower socket more than the traditional plane power socket.[Extra the sockets surge protector] are equipped with 12 spacious AC sockets (110-125V, 15A/1875W) and 5 USB ports. The electric socket can be charged for 17 electronic equipment at the same time. Do not worry about large adapters from neighbors from the power plug. The ideal choice for charging for multi -device (such as computers, telephones, TVs, speakers, printers, monitors and other electrical appliances). [Smart high -speed USB charging] The power board uses intelligent IC technology, which makes it automatically detect the connected device and intelligently provides the maximum charging speed for your device. The plug bar can be charged for 5 USB devices at the same time, and stand firmly with 6 high -quality non -slip mats.