\TRIPP LITE's SMART550USB line interactive UPS system offers voltage regulation, surge suppression, and long lasting battery support for personal computers, internetworking equipment, and other sensitive electronics. Internal UPS circuits support entry level PC systems for up to 30 min during power failures so that connected equipment can be shut down without data loss. Automatic voltage regulation (AVR) circuits regulate brownouts as low as 89 V back to usable levels without using battery power. Offers complete desktop power protection in an attractive stealth black tower configuration. Includes three (3) battery supported outlets for computer, monitor and one vital system peripheral, plus three (3) additional surge suppression-only outlets for printers and other system accessories not requiring battery support. USB port enables optional unattended system shutdown without data loss in the case of extended power failure, USB cable included. PowerAlert software available via free download from www.tripplite.com. Built-in single line RJ11 phone suppression jacks protect modem, fax machine, cordless phone, or other peripheral with a standard dialup/DSL phone connection. Built-in audible alarm and four (4) front panel LEDs indicate line power status, battery power status, battery low/replace status and overload status. 550 VA/300 W power handling ability supports entry-level PCs, network workstations, point-of-sale equipment, small business phone systems, audio/video equipment and home theater systems. Offers 4.6 min battery runtime with a full load of 550 VA/300 W and 14.8 min with a half load of 275 VA/150 W. Supports battery replacement via built-in access panel. $200,000 Ultimate Lifetime Insurance (U.S., Canada, and Puerto Rico only).