Protects your critical network systems from damage, downtime and data loss. Protects servers, network hardware and other critical equipment. Features automatic voltage regulation (AVR) that detects when input voltage is out of bounds and corrects it without using the battery. Manage this UPS system with LCD screen, USB port, or through installation of an optional network card. Illuminated LCD screen provides easy access to UPS settings and information. This UPS system saves energy, produces less heat, shrinks your carbon footprint and reduces annual operating costs.