Tripp Lite 550VA Audio/Video Backup Power Block UPS - Exclusive UPS Protection for Structured Wiring Enclosure (AV550SC) 4 AC outlets (including 1 delay-on outlet for router) Automatic recycle/reset button Auto-restart capability Regulated 12V DC output for 4 devices Complete surge/spike protection HD-compatible 2.2GHz coaxial and telephone/modem/DSL line surge protection; 550VA of battery backup 2-year limited warranty