Keep your electronic devices protected from dangerous power surges and spikes. with two USB ports. Simply plug the surge protection strip into any AC wall outlet and connect up to four AC and two USB devices to keep them safe from power surges, lightning strikes, and AC contamination. Ideal for laptops, desktops, printers, routers, and other home-office devices, made with high-quality circuitry and premium absorptive materials to protect your electronics and data.