Developer's DescriptionBy Light GemSimple retro night clock with old-school Nixie tubes.Simple retro night clock with old-school Nixie tubes.Features:24hr time format (hours, minutes).Date formats: - Day, Month, Year - Month, Day, YearBackgrounds: - Black, - Hex grid - Square grid - Wood - Dark greyBattery level.Battery low power (10%) indicator.Battery charging indicator.