The Essential Surge Protector CSB300W offers vital surge protection for common home and office devices such as computers and electronics. It prevents spikes in energy caused by storms and electrical power surges from reaching your electronic equipment. The CSB300W provides 900 joules of protection, 3 outlets, and a wall tap plug.Features of the CSB300W include metal oxide varistor (MOV) technology, an EMI/RFI noise filter, LED status indicators, and impact-resistant casing. This compact surge suppressor comes with a Limited Lifetime Warranty and a Connected Equipment Guarantee.