LED Cap Badge

Features: 
1) Screen matrix (H x W): 7 x 21 dots, chip LED
2) LED colors: red, green, blue, yellow
3) LED service life: 50,000 - 100,000hours
4) Operating voltage: CR2032x 2
5) Character set 0-9, English and symbol of PC Keyboard
6) Stores 6 messages, each message holds 256 characters
7) Programmable on the board
8) Fast to slow run speed, 6 total
9) Shape: oval 37 x 117mm