Unlike standard surge protectors, the Computer PowerProtect PC 600 with Multiple SurgeGuard protection provides multiple layers of defense against harmful surges. Strategically-placed multiple Metal Oxide Varistors respond within one nanosecond (a billionth of a second) to power surges and voltage spikes before they can reach and damage electronic circuitry. Monster's PowerProtects offer high performance solutions for today's technology challenges. Now you can get protection from harmful surges, voltage spikes and inconvenience.