LED name badge

1.English display supported.
2.Hold up to 6 messages (1 can store 512 characters, 2 to 6 can store 256 characters).                                                                                                             
3. 9 different speed and brightness levels.
4. Program the customer's own message easily through 3 buttons on the back of badge 
5.1pc of CR2032 , supporting  display for 20 hours continuously.                            
6.Indoor application, such as company, bar, exhibition, club, cinema, hotel etc,
7.size:8*3.1*0.75cm 
8.Dot-matrix: 7*21 Dots
9.N.W :25.2g, G.W:35.6g