The Back-UPS Pro provides abundant battery backup power, so you can work through short and medium length power outages. It safeguards your equipment against damaging surges and spikes that travel along utility and network lines. The Back-UPS Pro also features automatic voltage regulation (AVR), which instantly adjusts high and low voltages to safe levels, so you can work indefinitely during brownouts and overvoltages. The Back-UPS Pro also includes unique green features, like power-saving Controlled outlets that automatically turn off idle peripherals when your computer goes into sleep mode or is turned off. A high efficiency charging system and AVR Bypass also reduce power consumption. With the rest of its features, the Back-UPS Pro is the perfect unit to protect your productivity from the constant threat of bad power and lost data.