This APC Back-UPS offers power and surge protection for wireless networks, computers, and other electronics in your home or business. The 500VA tower UPS has 6 total outlets, 4 of which are battery back up and surge protection, and 2 that are surge protection only. It has a surge energy rating of 1080 Joules. It features Automatic Voltage Regulation to smooth out voltage fluctuations from mains power supply without swtching to battery. This UPS has a 3 year warranty and CE product certification (3-year exclusive for EU, UK and Ireland). It is compatible with a dedicated user-replaceable battery, and the APC replacement battery cartridge helps restore UPS performance to the original specifications. It comes with PowerChute Serial Shutdown, UPS management software with graceful shutdown and innovative energy management capabilities. EcoStruxure IT SmartConnect integration via PowerChute Link for enhanced monitoring, efficiency, and performance management.