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Display
— the presence of its own screen in the design of the lamp. For primary use in the traditional format (without additional adjustments), the display is not needed. Therefore, this feature is a clear sign that we have a model with extended functionality. The display most often shows the readings of the clock and the thermometer (see the relevant paragraphs), however, other information may also be provided — for example, the set colour temperature, battery charge (if the lamp is self-powered), etc.