... HH:MM:SS ,MM:SS:DD and clock also support pulse triger1. supper bright led lamp2. wide view angle : 100/403. ... ), RF USB transceiver, RS485, etc.4. many optional digit height : 6",8",12",16",24",32"5. message board can be ... intergated into led scoreboad to display team name or other ... such line product , please contact us for more details. led digit timer