USB clock for Professional TVsThis accessory is created specifically for Professional TVs. It provides an efficient solution for permanent time display in guest rooms and can be conveniently attached to the TV via USB. There is no additional power source needed.Automatic time syncThis clock is always accurate without a need to set the time separately. Via the USB connection the display automatically syncs with the accurate time that the TV receives via the broadcast signal.Easy clock visibilityThe clear and high quality clock display combines easy visibility from throughout the hotel room with pleasant luminosity to avoid disturbance during the night.Adjustable brightness levelsThe luminosity of the clock display can be configured to different levels and be switched off completely