Uninterruptable 650 VA power supply for PC’s - Automatic output voltage regulation (AVR) - LED status indication - Short circuit protection - Surge, spike and lightning protection - Audible and visual alarms - Overcharge and overdischarge protection, Sockets: 2 x Schuko output (CEE 7/4)Backup time: up to.20 mins (depends on the load), Switching time: no more than 10 ms , Operating conditions: 0°C~40°C, at humidity 10~90%RH non condensing .