The Vision Dual range (tower and rack), includes models from 1100 VA to 3000 VA with sinusoidal digital technology. The Vision Dual range, with its advanced communications and connectivity options, is the ideal solution for installations requiring superior protection and versatility in the power supply system. Vision Dual is the ideal solution for the protection of peripheral network devices, conventional or rack servers, and network back-up systems. Vision Dual has a practical, modern design and includes several performance advantages over traditional on-line UPS. All developed by the Riello UPS research and development team. The UPS provides efficiency levels of 98% and therefore reduced energy consumption. It has an output power factor of 0.9.