The Monster Power MP JP 700 is an advanced 7 outlet PowerCenter surge protector that provides high capacity surge protection for home theaters and computers. This surge protector features 1440 joules of surge protection for maximum surge protection . There is a "Protection On" LED light that shows when surge protection is activated. Just as your electronics need protection from surges and spikes, your computer system also needs the same protection, the Monster Power MP JP 700 Surge Protector can help provide the protection you need for all of today's electronics. This surge protector is labeled for home theaters however can also be used for computers to protect your pc components.