LED sign display board has 16 western characters or 8 asian characters, 6 text message capacity, 2 image message capacity, 11 twinkled animations embedded, scroll / snow / flash / hold / display effect, 5 level adjustment, date and time display, 4 level brightness control, 2900mAh li-ion battery, 3-4 hours charging time, Window XP / Vista / Windows 7 operating support and English / Chinese / Japanese / Korea language support.