APC Backup-UPS ES 550 8-Outlet 550VA 120V Battery Backup & Surge Protector Unit BE550G.Model Number: ES 550APC Part Number: BE550GSpecifications:Input: 120V ~ 60HzUPS output: 120V ~ 60Hz, 330W(550VA), 4.6ASurge Output: 120V ~ 60HzTotal Output Current: 12ACommunications & Management- Control panel: LED status display with On Line : On Battery : Replace Battery and Building Wiring Fault- Audible Alarm: Alarm when on battery : distinctive low battery alarm : overload continuous tone alarmSurge Protection and Filtering- Surge energy rating: 340Joules- Data Line Protection: RJ45 10/100 Base-T Ethernet protection- Filtering: Full time multi-pole noise filtering / 5% IEEE surge let-through / zero clamping response time / meets UL 1449