Specifications: With simple structure, it is easy to install and remove. It is suitable for business advertising on car, taxi, food service, retail and public places. The message sign board has an excellent display effect, you can choose the scroll speed you want Item Name: Message Sign Board Material: Plastic Quantity: 1Pc Resolution: 287 Grayscale: 256 Pixel Diameter: 3mm Remote Control Battery: 2 x 2032CR Button Batteries (Including) Features: Universal, Programmable, Remote Control Size: 23cm x 5cm x 1cm/9.05" x 1.97" x 0.39"(Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Message Sign Board