Easily and safely charge your devices at home or on the go with the HOLSEM Smart Cubic Surge Protector. Complete with three cubic devices, this set of surge protectors adapts to your needs anywhere you are. The cubic surge protector includes 14 AC outlets and three USB ports for all of your devices. In addition, the USB ports come with built-in Smart IC technology, which automatically detects your devices. As a result, it delivers the quickest charging speed possible for your device, up to 5V/2.4 A, while keeping it safe. The cubic surge protector also provides comprehensive protection, including overload protection, lightning protection, short-circuit protection, and output temperature control. With its compact and portable design, each cubic surge protector works on its own. Furthermore, its wide voltage range of 100v-230v makes it ideal for travel.