The Belkin Universal Series UPS with AVR technology offers the most complete protection from damaging power disturbances to home or office workstations. Belkin complete power protection solution safeguards your valuable equipment and critical data from blackouts, brownouts, surges, spikes, and lightning. In a power outage or brownout, the Universal UPS automatically switches your computer to battery backup power and gives you the time to save open files and safely power off. When the power goes off, your computer stays on.