Americanpowerconversion Back-UPS® Pro 500 UPS Battery Backup System w/USB Back-UPS® Pro Battery Backup System with USB • Instantaneous battery backup ensures against workstation brownouts and blackouts • 100% high-voltage surge protection keeps hardware and data safe • Hot-swappable, user replaceable batteries • Audible alarms • Automatic shutdown software • Manufacturer’s two-year product warranty Smart battery backup and high-performance surge suppression for PCs using Windows® 98, 2000, XP, or Me. Unattended file save/shutdown software is Windows® 98 optimized, providing a graphical display of UPS performance and available runtime. Visual alarm indicators visible from any angle. Installs easily in USB port with no reconfiguring. Seven power outlets: four battery-backup, three surge-only. Two-line phone/fax/modem/DSL protection. $150,000 lifetime equipment protection policy. 5-7/16w x 7-15/16d x 9-7/16h. 700VA