Product details:

OmniSmart UPS Systems combine automatic voltage correction with long-lasting battery backup power to keep you working through brownouts and blackouts. Multi-level automatic voltage regulation keeps equipment working through low voltage (brownouts) and high voltage conditions without using battery power. Reliable battery power keeps your equipment running safely through blackouts. RFI/EMI line noise filtering prevents interference (i.e. from motors, lights and radio transmissions) from affecting your computer. OmniSmart UPS Systems usually feature 6 outlets (3 UPS and surge protected, 3 surge-only protected in 450 and 675 models or 6 UPS and surge protected in 850, 1050, 1400 models) to safeguard your computer and all peripherals; convenient battery replacement door.