Safeguard your workstation or home electronics against surges, spikes and line noise. USB ports charge 2 mobile devices at the same time. Ideal for protecting your computer, printer, hard drive and other electronics. - 6 NEMA 5-15R outlets, including one for bulky transformers - Surge suppression rating of 990 joules - Filters out threatening EMI/RFI line noise - 15A resettable circuit breaker prevents dangerous overloads - 2 USB ports (2.1A total) for fast charging mobile devices