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This is protection an import linux desktop PC. Once I connected it with an old USB cable (should be included with the product, but is not, you need one of the square ones that printers used to ship with), it was very easy to set up with linux, and now I see the battery level on my PC. I haven't had to use it yet, except to test but the reviews and reputation are good. I will power my PC and one of the monitors for ten minutes, with the machine beginning a shutdown after six minutes, all scripted and automatic in case I am not here when power loss happens. Exactly what I wanted.
Almost give it 3 stars after downloading PowerChute which does not work with latest Mac OSX, however found on the computer under Energy Saver a new tab UPS, allowing to select an option allowing managing power down of the Computer. High quality product, replacing a APC UPS from 1997 that finally died