APC BR900MI, Back UPS Pro BR 900VA 540W, 6 battery backup with surge protection outlets (IEC-C13), Input connector cord IEC-320 C14, AVR, LCD Interface, Line Interactive Stepped apprx sinewave, 1 Gb Dataline protection, USB port for management. 2,2 min @ 540W, 11 min @ 270W. Unit Dimension 191x91x310mm Više informacija na linku