4 X PowerShield SafeGuard 750VA/450WThe SafeGuard UPS provides a buffer between your equipment and inconsistent mains power supply. This cost effective, compact device constantly stands guard beside your sensitive equipment. This UPS is one of the only powerboard style with AVR (Automatic Voltage Regulation). Anytime a power fluctuation occurs, this UPS will buck or boost the power within a ten percent variance of 240Vac. The SafeGuard provides three outlets of surge suppressed battery backup to keep essential systems running through power outages.