Gembird UPS with USB and LCD display, 3000 VA, black - Type: line interactive Waveform: sine wave (AC mains), modified (square) sine wave (battery) Switching time: less than 10 ms Backup time: 8...20 mins (depends on the load) Sockets: 1 x C14 input, 3 pcs x C13 output, 3 pcs x german Shuko output Interface communication: USB-BF socket, RJ45 Power: 3000 VA (1800 W) Uninterruptable 3000 VA power supply for PCs Automatic output voltage regulation (AVR) USB interface LCD status indication Short circuit protection Surge, spike and lightning protection Audible and visual alarms Overcharge and overdischarge protection Including practical UPS Management software Više informacija na linku