... (28.5") About the led price display / sign:1.To display real-time time and temperature/price / ... timing etc., or you can use it to display the temperature only. can be manual buttons to ... modify or remote modify information 2.Display colors are: single red single green single yellow ... Red, green, yellow, blue, white are available.5) Character display: "0 to 9, space, dot"6) Control: by ...