OPTI-UPS GS1100B (1100VA, 550W) Uninterruptible Power Supply 6-outlet ups battery backup for computer, NAS, Camera, surveillance, storage, security system, (Gaming series), Line Interactive AVR design 3 year limited warranty / live US support Simulated sinewave battery backup system, Line Interactive (corrects voltage without using battery) AVR (automatic voltage regulator), 6-outlets (3 battery, 3 surge) NEMA 5-15R, 1100VA, 550 Watts, (120V) Surge energy rating: 1050 Joules Full time EMI/RFI filtering, 4 hours battery recharge time, Hot swappable battery USB communication port, RJ11 (phone line) / RJ45 (data line) protection Transfer time 4 ms, Scheduled shutdown & reboot, free OPTI-SAFE sentinel software