CyberPower P0420SUD0-DE is ideal for home/office surge protection. The surge protector is designed with Metal Oxide Varistor (MOV) technology to safeguard the surge suppressor and connected electronic equipment by absorbing spikes in energy caused by storms and electrical power surges.With USB charging ports, the surge protector can rapidly charge and power USB devices and mobile accessories. The product also features overload protection, EMI/RFI filtration, impact-resistant casing and more, providing reliable protection for your electronic devices.