Gembird UPS with AVR, 850 VA - Type: line interactive Waveform: sine wave (AC mains), modified (square) sine wave (battery) Switching time: less than 10 ms Backup time: 10...30 mins (depends on the load) Sockets: 1 x C13 (input), cable CEE 7 7P, 4 x Schuko (output) Power: 850 VA (510 W) Uninterruptable 850 VA power supply with modified sine wave output Automatic AC voltage regulation (AVR) Intelligent surge- overload- and short-circuit protection on all 4 sockets *UPS battery backup on 2 sockets USB port for PC connection Audible and visual alarms LED status indication Intelligent battery management with overcharge and over-discharge protection Wall mountable