size: 5.6*3.5*1.02cm  (Dot-matrix:5×13 Dots)

1. Holds 6 messages  (NO.1 can store 512 characters, NO.2 to 6 can store 256 characters). Letters, numbers and simple images are supported.
2. 9 speed and brightness levels.                                                                                                                                                                                                   3. Just manual program with three onboard buttons. 1pc of CR2032 battery. more than 20 hours continuous battery life.
4.Various color for choosing
5. Accessory: Specification and 1pc of CR2032.