Features: Automatic Voltage Regulation (Buck and Boost) Light-weight compact and elegantly designed Intelligent microprocessor control Monitoring and shutdown software included Fax/modem/LAN surge suppression port Overload protection and alarm Output short circuit protection Start on battery function (cold start) USB communication Easy user replacable battery Australian/New Zealand approved sockets Wall mountable Fast charging - 90[[][%]] in 4 hours Specifications: Model: PSG750 Topology: Line interactive Input: Voltage: 240Vac Voltage range: 177Vac to 290Vac Frequency: 50Hz Output: Nominal voltage: 240Vac Voltage regulation: +/-10[[][%]] Battery transfer time: 6 msec ( typical ) VA/Wattage 750VA / 450W Battery: Type: Sealed lead acid maintenance free battery Capacity: 12V/9Ah Full load backup time: 2.5 min Data protection: Tel/modem/Lan, RJ45 connector Software: PowerShield NetGuard software Sports Windows, Linux, Unix and Mac Operating systems Interface: USB interface Audible noise: <40dBA Operational environment Temperature: 0-40C, Humidity 0-90[[][%]] Non condensing Physical: Dimension (DxWxH): 199x292x91mm Weight: 7kg