Specification: Type: Tower Extension Power Strip Manufacturer: TESSAN Power on/off Switch: YES Certification: RoHS, CE Rated Power: 3250W Rated Input: 100V-250V, 13A max USB Output: 5V 2.4A max per port Socket: 8 AC Outlet + 3 USB Port Dimension: 6.6 x 6.6 x 14.71cm Cable Length: 2M/3M/10M Surge Protection: 1700J Product Weight: 620g About this Product: Compact and Portable: the extension lead tower designed by a compact size. The vertical shape takes up little space but can plug many things to the power, providing a tidy and neat desk. Multiple Protection: This extension lead comes with 1700J surge protector and overload protection, which can ensure safety when you use this plug tower for high rated household appliances or electric devices, etc. 11 in 1 Extension: The extension lead with 8 AC outlets are vertically on 4 surfaces, saving space than normal power strip. Multi USB plug with 3 USB covers the charging needs of your home office college dorm room and school supplies. Power Switch and Indicator Light: Switch on the top of this 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 lead tower 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.