Damaging power surges associated with lightning or utility problems can travel along your utility and data lines, damaging your electronic devices and destroying your valuable data. Even smaller everyday power surges can degrade the performance of your electronics and decrease their life. The APC SurgeArrest Essential series represents the minimum level of surge protection that should be present on any of your computers and household electronics, with providing surge protection for your phone lines. Its state of the art circuitry offers protection for sensitive electronic equipment against larger power surges and multiple surge events.