This high performance desktop battery backup features maximum protection in a versatile design. The fully featured APC Back-UPS RS can be placed on the floor, or on a shelf. Up to six battery backup outlets with automatic voltage regulation (AVR) enable you to work through even the most frequent brownouts and power sags, keeping 75/90/110 minutes of battery power for when you need it most. For printers and other devices that do not store or process information, up to three additional outlets provide surge protection. Both Ethernet 10/100BaseT and telephone dataline surge protection safeguards against surges entering via network connections.