Extension Lead Tower with USB C Slots: TESSAN plug adapter tower with 8 AC outlets (3500W max), 2 USB A, and 1 15W USB C ports can power 11 devices simultaneously. It can be your charging station for multiple devices Multiple Protection: This surge protected extension lead comes with 1700J surge protector and overload protection, which can ensure safety when you use this multi plug tower with USB ports for high rated household appliances or electric devices, etc Power Switch and Indicator Light: Switch on the top of this tower extension lead controls the whole power. You can turn off all the electronics together when not in use to save energy. 2 indicator lights, red for surge protection and green for grounded protection Stable Base with 4 Non Slip Mats: This extension plug is designed with a strong base for holding up some heavy devices. 4 non slip mats at the bottom in order to avoid sliding or falling when use