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Dot-matrix: 7*15dots.
. Support Engish input.
. Letters, numbers and simple images stored.
. Hold up 6 messages in memory (1-5 support text message, 6 support time display.Up to 1500 characters can be displayed).
. 9 display effect such as left shift, right shift, up shift, down shift, towards center, flash from left, flash out from right, display one by one from right to left. one by one to "right and left".
. 3 kinds of stop effects such as flash, stop a few second and without stop.
. 6 different speed and brightness.
. Support manual program with three onboard buttons.
. 2pc of CR2032 battery. more than 20 hours continuous battery life.
T-shirt LED
