LED badeg, led name card 1 year guaranty display 4 text message,6 graphics professional service widely use in advertising LED ... /Russian.Display ability: English 1500 chars/Chinese 750 chars, 4 text message and 6 image message (max. 384 x 12 pixels ... -lion battery with 240mAh, working time: 12 hours when normal text, charge time: 2-3 hours, AC 110-220V.USB cord ...