Device: /org/freedesktop/UPower/devices/DisplayDevice power supply: no updated: 2017. aug. 20., vasárnap, 10:22:22 CEST (777 seconds ago) has history: no has statistics: no unknown warning-level: none icon-name: '' Daemon: daemon-version: 0.99.4 on-battery: no lid-is-closed: no lid-is-present: no critical-action: (null)