... used led screen,one red and one green LED per pixel color for Message Display;100mm*440mm* ... 700l Communication: Remote&RS232(Can choose RS422/Ethernet/Wireless)l Interface: Cable Connection&IRl Functionality: Message ... HH×WW×DD)l Weight: 0.9KGFeatures:1)Can display characters, digits, symbols, time, date, pictures, ... used led screen,one red and one green LED per pixel color for Message Display;100mm* ...