Ideal for the protection of PC's, Network workstations and other devices, the TrippLite INTERNET550U 550 VA Internet Office UPS System prevents data loss and system downtime by providing battery supported AC output during brownouts and blackout conditions. This compact standby UPS with 550 VA / 300 W rated UPS system offers up to 3 minutes runtime at full load and up to 10 minutes at half load during power failures. It offers a total of 8 outlets - 4 are with UPS and surge suppression and 4 with surge suppression only. A built-in single line Tel/DSL line surge suppression protects modem, fax machine or cordless phone. USB port with PowerAlert monitoring software and cabling enable safe unattended system shutdown in the case of extended power failure. In addition, an audible alarm and front panel LEDs offer continuous status information regarding line and battery power operation.