<br /> ⚡【Large Compatibility】This power strip surge protector tower ( rated current 13A) is designed with adaptable voltages: 110V-240V. It will automatically adapt to the wall out voltage it is plugged in. Used in the United States (110-125V), its max power is 125V x 13A = 1625W.(Calculation Formula: P=UI.) This vertical power strip tower with large compatibility, max wattage up to 3000W, will absolutely meet your needs!<br/><br /> ⚡【Upgraded Design USB Port】Our charging station outlet has a double layer USB port special design. 0-2.1A/port, 4.2A in total. With smart IC technology, the USB slots are able to detect the plugged devices and automatically provide them the fastest possible yet safe charging current within the output capability. This USB power bar can charge 4 iPhone, or 2 iPhone and 1 iPad plus, or 2 iPad at a time!<br/><br /> ⚡【All-Round Protection Technology】Power strip tower with a built-in 900J surge protector, this USB multi-outlet strip will filter the minor surges in the circuit and shut it off when an overwhelming surge like that caused by lightning occurs. The overload/short-circuit protector at the bottom of the tower base will pop up to cut off power when it overloads or shorts. Unplug all devices and press them down to reset the power strip tower.<br/><br /> ⚡【Space Saving and Cord Retractable】 The innovative tower shape utilizes the vertical space and allocates the outlets evenly on four sides with them wide-spaced, which is perfect even for large and bulky power plugs and adapters. Another space-saving design is the retractable 6.5ft cord in the tower base, with which you can pull out the needed length and leave the rest inside for better balance.<br/><br /> ⚡【Convenient and energy-saving】This wire-controlled adjustable USB power board surge tower has a portable handle, an energy-saving independent switch, and an overload warning LED indicator. When you want to turn off the power of large equipment, you don’t need to pull out the plug, just turn off the sub-control switch of the surge protection power tower.