upower - 1.

Return To 1. System Information

Device: /org/freedesktop/UPower/devices/DisplayDevice
  power supply:         no
  updated:              Tue 31 Jul 2018 03:18:01 PM MDT (1385931 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)