Tripp Lite UPS 900VA 475W Battery Back Up Tower LCD AVR 120V USB (OMNI900LCD) specs.

Front panel LCD screen with blue backlight offers:

Continuous input line voltage data
UPS status information on line power status
Battery power status
Battery charge level
Voltage regulation operation

Low voltage transfer to battery power: Switches to battery power as line voltage decreases to 89V or less, switches back to AC mode as line voltage increases to 94V or higher
High voltage transfer to battery power: Switches to battery mode as line voltage increases to 139V or higher, switches back to AC mode as line voltage decreases to 135V or lower
Network monitoring port: Single built-in USB port supports on battery, low battery and power restored messaging. Interface supports timed inverter shutoff after unattended shutdown. Compatible with Tripp Lite's PowerAlert and Watchdog service software
Compatible with Tripp Lite's Watchdog system service to restore operation to locked equipment through soft reboot of application / OS or hard power off/on reboot of connected equipment ideal for unattended kiosk applications
Switches: Includes 2 front panel switches - one main on/off power switch and one dual function "alarm cancel" / "self test" button
Entry-level PCs, networked workstations, point-of-sale equipment, small business phone systems, audio/video equipment and home theater systems. Ideal for sensitive electronic applications in areas where brownout conditions are common

UL1778 (TUV)
cUL (TUV)
NOM
FCC Class B