APC Smart-UPS SC 450VA 230V - 1U Rackmount/Tower (SC450RMI1U)- Capacity: 280 Watts / 450VA, Input Voltage: 151 - 302 Adjustable, 195 - 265V, Output Voltage: Less than 5 % at full load, Input Frequency: 50/60 Hz +/- 3 Hz Auto-sensing, Output Frequency: 47 - 53 Hz For 50 Hz nominal Sync to mains, 57 - 63 Hz For 60 Hz nominal Sync to mains, Connectivity: DB-9 RS-232, Battery expected life: 3-5 Years, Colour: Grey