This state-of-the-art device delivers reliable computer system and peripheral power protection. Significantly reducing energy consumption, it utilizes a new, proprietary charging system that's five times more efficient than any other in its VA range. Master and controlled outlets eliminate "phantom loads" by cutting power to printers, scanners and speakers when your computer is not in use. Included PowerChute? safe system software smoothly shuts-down your workstation in the event of an extended power outage. Full data line surge protection ensures that all AC, network, phone and coaxial connected devices survive power spikes. Four stage LED status display indicates: On Line, On Battery, Replace Battery and Building Wiring Fault. Innovative high frequency design results in the optimal use of materials during manufacture. Compact, sleek and modern. Easy battery replacement; no tools required.