Charge two devices simultaneously safely and securely with the Cellet 1 Outlet Surge Protector with USB Port. Equipped with one standard AC outlet and 1 standard USB port, this surge protector is UL Listed, therefore it protects your devices while charging from unexpected surges, voltage fluctuations and spikes that can damage your devices. Featuring a convenient compact size, this charger is perfect for travelling that serves as a premium power source. (This item has a 3 year warranty. Please visit Cellet's website for further warranty information.)