Device Type: UPS - external, Width: 10 cm Depth: 28.7 cm Height: 14.2 cm, weight: 4.3 kg, UPS Technology: Line interactive, Input Voltage: AC 220-240 V Input Voltage Range: AC 162-290 V, Frequency Required: 50/60 Hz Input Connector / Connections: 1 x power specifications Power Output Connectors: 2 x power supply, Power Capacity: 480 Watts / 850 VA, surge protection for data lines: Network / phone line - 2 lines, Output Waveform: Stepped approximation to a sine wave Protection: circuit breaker, Quantity: 1, Voltage Provided: 12 V, Capacity: 9 Ah, charging time: 4 hour (s) Remote Management Interface: USB, Interfaces: 1 x management - USB Cables Included: 1 x USB cable, Features: LCD display, Automatic Voltage Regulation (AVR Automatic Voltage Regulation), discharge protection, overload protection, overload protection, short circuit protection, OS Required: Microsoft Windows NT, Microsoft Windows 98SE/2000/ME/XP, Microsoft Windows Vista, Microsoft Windows 2003, Humidity Range Operating: 0 - 90% Sound Emission: 40 dB