Detailed Product Description1) Screen matrix (H x W): 7 x 21 dots, chip
LED2) LED colors: red, green, blue, yellow
3) Operating voltage CR 2032
4) Character set 0 - 9, English and symbol of PC
Keyboard5) Stores 4 messages, each message holds 256 characters, the fourth message can
store 520 characters
6) Programmable on the board
7) Fast to slow run speed, 4 total
8) Shape: oval 80 x 60mm
9) With stand or without stand