*** 1- 6 messages can be pre-programmed. The message can be consisted of letters, 

     numbers or symbols. Each message can has 16 characters.

*** Messages can has various displaying method.

*** The case color can be solid color, transparent or glow in dark etc.

*** The Led color can be red, yellow, orange, blue, green etc.

*** Logo printing: available,

*** Power: both by batteries or by USB are available