Enoch Designs EDB CH-1015-WSG, Queen Sheet Set, Black 4 surge protected outlets that enable you to charge up to 4 electrical devices while protecting your electronics from surges and voltage fluctuations. Designed for the Business Traveler In Mind! 3 interchangeable wall plugs for convenience and compatibility. 4 USB ports with surge suppressor can charge 4 mobile devices simultaneously, perfect for home, office and travel. Keeps mobile devices safe and protected. Can be used for charging laptops, tablets, smart phones and other devices. Lighted on/off switch on the surge protector. Our surge protector is for worldwide use. It also protects your devices with built in circuit breakers All Enoch Designs products come with a 100% customer satisfaction guarantee. If you are not happy with your Enoch Designs product please contact us directly so we can take care of you right away.