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HD-G3 (USB interface) 1.Product type : USB interface controller asynchronously 2.Single color :512*800 256*1600 128*3072 Dual color :512*400 256*800 128*1600 3.Storage : 2M(and it also can be extended) 4.Interface : 2 ways of 50pin Hub(Hub12 or Hub08);no need conversion board;support Gerneral P10 outdoor and P3.75 indoor etc 5.Scan mode : supporting most moudles,1/16/、1/8、1/4、1 /2 and static scan, etc munication type : RS232 (communication line: 2-2 3-3 5-5 directly) 7.Software : HD2012 8.Programs quantity : 20 pcs 9.Time effects : supporting Perpetual calendar and virtual-clock effects 10.Districts : divided into 5 districts discretionarily 11.Clear display types: supporting 30 types of clean display effects ,and also select clean type randomly; supporting morn than 50 display showing effects 12.Magic boarder : 200 types of boarder effects(classic + magic boarder) 13.Luminance adjustment : supporting 50 levels of luminance adjustment supporting Luminance adjustment by time supporting setting autumatic (you will add luminance sensor by yourself) 14.Time switch : defined time by turn on or turn off 15Picture : it support gif jpg jpeg png bmp ; support txt rtf hf file ;also support animation 16Voltage : 4.6-5.6V 17working temperature : -30℃ +70℃