new product flashing led menu sign 1.write&wipe off ... ,000hrs lifespan 4.with CE&RoHS new product flashing led menu signAs new advertising rewritable sign board, ... Simple to adjust led lighting colors,sparkle speed and flashing setting by “up/down” flash mode control button ... promote your business. 2.With eye catching vibrant flashing colors, multiple flashing modes, highly visible even in the daylight. ...