# OTS Signs Command Center Documentation
OTS Signs Command Center is an open source digital signage solution. It supports all main media types and can be interfaced to other sources of data using CSV, Databases or RSS.
Keywords: digital signage, signage, narrow-casting, ots-signs, open source, agpl, documentation

# Countdown

Show a countdown for a selected duration or until a specified date on Layouts and Playlists.

## Overview

- Select to show a countdown in minutes and seconds.
- Show a detailed countdown to show days, hours, minutes and seconds.
- Countdown in a table format to show years, months, weeks, days with total hours, minutes and seconds.
- Show a countdown in a simple text format.
- Determine a countdown by the total duration of the Widget.
- Set your own custom duration to countdown in seconds.
- Specify a date and time to use.
- Set a Warning Date to change the countdown to a ‘warning mode’ for the remainder of the Countdown.