685VA/390W AVR Battery Backup Uninterruptible Power Supply (UPS) System uses simulated sine wave technology to safeguard desktop computers, workstations, networking devices, and home entertainment equipment EIGHT NEMA 5-15R OUTLETS: Four battery backup & surge protected outlets, Four surge protected outlets; INPUT: NEMA 5-15P right angle, 45 degree offset plug with six foot power cord AUTOMATIC VOLTAGE REGULATION (AVR): Corrects minor power fluctuations without switching to battery power, thereby extending the life of the battery LED STATUS LIGHTS: Indicates Power-On and Wiring Faults 3-YEAR WARRANTY – INCLUDING THE BATTERIES; Dollar 125,000 Connected Equipment Guarantee, FREE PowerPanel Personal Edition Management Software (Download)