Specifications 7*21 dot matrix. 20mm character height High bright SMD type LED. Red/Blue/Green/White/Yellow/Pink/TriColor/multicolour available Acrylic front panel covers LED Fast and easy to use. Easy programmable with your own custom messages Stores up to 6 different messages, max. 256 characters per message Scroll from left to right 9 levels of Brightness, 9 levels of moving speeds available 59 international characters are included Running automatically once the battery on Low voltage consumption, 2 pcs of 3V CR2032 lithium batteries can work for 24 hours typ Programmable via 3 separated buttons (On/Off(Enter), Up, Down) at the back Key-pressed typical; USB communication selectable Optional Rhinestone/ Acryl stone buckle selectable Dimensions: 134x47x5mm Accessories: 2pcs CR2032 button batteries, User's Manual Packaging: Clam Shell packing