Maintains usable 120V (+10%/-16%) nominal output over an input range of 89 to 147V Input voltages over 130V are reduced by 10.4% (+/- 3V) Input voltages below 102V are boosted by 13.4% (+/- 3V) ? 600 watts output power rating supports 120V loads up to 5 amps Network grade surge suppression rated at 480 joules EMI/RFI noise filtering 3 diagnostic LEDs indicate boost, trim and normal LC operation 6 protected NEMA5-15R outlets 6-ft. AC power cord with standard NEMA5-15P input plug Single line surge suppression protects modem, fax machine and other system peripherals with a phone line connection from damage due to surges on phone/DSL lines 2 year manufacturers product warranty