CyberPower CP800AVR AVR UPS System, 800VA/450W, 8 Outlets, Compact 800VA/450W AVR Battery Backup Uninterruptible Power Supply (UPS) System 8 NEMA 5-15R OUTLETS: (4) Battery Backup & Surge Protected Outlets, (4) Surge Protected Outlets safeguard desktop computers, workstations, networking devices and home entertainment equipment DATA LINE PROTECTION: Prevents power surges that travel through telephone, coaxial and Ethernet lines from causing damage to electronics AUTOMATIC VOLTAGE REGULATION (AVR): Corrects minor power fluctuations without switching to battery power, thereby extending the life of the battery 3-YEAR WARRANTY  INCLUDING THE BATTERY, $200,000 Connected Equipment Guarantee and FREE PowerPanel Personal Edition Management Software (Download)