Multi Surge Protected Outlets: The multi-functional wall tap plug features 3 surge-protected outlets (3-prong) and 4 USB ports to save space and USB adapters, keeps everyday electronic devices safely plugged in and fully charged with it, so you can efficient charge 3 AC devices and 4 USB devices simultaneously Expanding Outlet Capacity: 4 USB that deliver 4.2A total output that is more than enough to charge up 4 devices at the same time. Its compact and lightweight design means that you can slip it into your carry-on bag and take it with you LED Surge Indicator: The green LED protection indicator turns to red when connected to an outlet, offering at-a-glance convenience that the wall tap is in use.450 Joules surge protection provides basic surge protection to your devices ETL Listed Safety Rated: ETL/CETL certified, our surge protector wall tap provides long-lasting, reliable performance and ultimate peace of mind. EMI/RFI line noise filtering helps connected components to perform at their peak If you have any questions, Oviitech friendly and reliable customer service will respond to you within 24 hours!Providing the highest quality possible to all of our clients is our primary goal