Size:95x44(mm) Weight:83g(absence battery) Display Display Area: 68x23(mm) Matrix: 7x21 Number of LED: 147 Feature -Can store 6 messages (1 can store 512 characters,2-6 can store 256 characters) -With 9 levels of speed to display, and 9 levels of luminance for adjust by user Data communication Easily input by hand Power Supply One CR2032 or two CR2016 batteries LED color Red, Blue, Green, Yellow, White, Pink, Three Colors Mixed Operation time About 20 hours