Works adequately in situations where the supply is prone to sags and surges Up to 4 minute runtime on full load to preserve critical data from power shortage interruptions 1000 VA load capacity provides sufficient backup during power failures NEMA 5-15P plug/connector type for convenient usage with added dependability NEMA 5-15R receptacle type offers maximum safety, convenience, and increased usability Line-interactive UPS with fax machine application/usage to ensure maximum usability and reliable power supply 120 V AC input voltage for maximum feasibility and added productivity 120 V AC output voltage for maximum dependability and added productivity Tower/Rack/Wall Mountable form factor for your convenience and simplicity of usage Prevent critical data loss by staying powered during a blackout with up to 700 W load capacity