This 2M 4 6 Gang with 4 USB Ports Surge Protection Extension Lead with LED Indicator from SLx comes individually switched and Surge protected, keeping sensitive electronic equipment from being damaged by electrical surges and spikes, making this extension ideal for the office and the home, especially with computers and other important running machinery. Surge Protection Extension Leads protect valuables from voltage spikes. Voltage spikes occur when there is a sudden change in power consumption, which could be caused by lights going on or off, large electrical equipment being used and lightning strikes. Each socket on this extension lead is individually switched allowing for complete control on what should be on or off, resulting in sizable savings on energy. This extension lead also comes with 4 USB ports allowing you to connect your USB power leads to the extension lead directly without the need of another USB Adapter. Main Features: Individually Switched Surge Prote