... , twinkle, interlock, wipe, scroll, snow, up/down/in/out/left/right etc), set speed in 8 grades.5)Can store up to ... )Set time to power on/off.7)Simultaneously display time, in 12 or 24 hour mode.8)30 default graphics, like ... PC, can communicate among multiple LED signs. red and green one line led moving sign,8 characters with 53mm high font;P7.62mm;Pixel ...