DUO AVR USB series UPS units are perfect for protecting home and office equipment. They provide protection against power drops and losses in the grid, consequently increasing the life and reliability of the connected equipment. Their main purpose of the DUO AVR USB series UPS units is to protect computers, telecom equipment (switches, routers), monitors and fiscal devices. This series of UPS units comes with an HID USB communication interface that lets the UPS operate with other devices, without having to install any software. Moreover, thanks to the in-house developed PowerSoft software you can monitor and configure the DUO AVR USB UPS unit. With the free software the user can access information on the UPS unit's operating mode, its load, battery charge level and the duration of autonomous operation. AVR, a built-in system for regulating (increasing and decreasing) the mains voltage adjusts incorrect input voltage to a level that is acceptable to the receivers, without the use of battery power. The UPS features a system that automatically restarts the device if the battery is discharged and once the power is back, and the "cold start" function allows to start the UPS without a connection to the mains.