Features Rolling Design: Rolling LED display can display 8 text messages or 8 texts and image messages; up to 1500 English characters and 760 Chinese characters. Supporting Multi -language: Rolling four -character brake business card screen supports English, numbers, symbols, and global languages, which can basically meet our practicality. 4 Grades of Brightness: The LED display has 4 Grades of Brightness, 8 speed adjustment levels, and 16 images can be provided to meet our use. Practicality: LED breast card display supports for system win7/vista/XP/2000/98, etc. It has a wide range of use and practicality. Wide Application: Display screens can be used for stations, airports, shopping centers, hospitals, hotels, banks, securities markets, construction markets, auction houses, high -end restaurants, cafes, tea bars, KTV, cake shops, supermarkets, tourist attractions, etc. Essence Features: 1.Support, English, Numbers, symbols, global language. 2.Display 8 text messages or 8 text&image messages; maximum 1500 English characters and 760 Chinese characters. 3.Applied in: station, airport, shopping malls, hospitals, hotels, Banks, securities market, construction market, the auction house, upscale restaurants, cafes, tea bar, KTV, cake shop, supermarket, tourist attractions, etc. 4.4 grades of brightness, 8 levels of speed adjustment, 16 image available. 5.Support system: for win7/Vista/XP/2000/98, etc. Specifications: Product size: Approx. 93 x 30 x 5mm/3.66 x 1.18x 0.2inch How to wear: pin/magnet adsorption Display: 12 actions (upper, lower, left, right, stationary, reserved, snowflake, window display, digital display, running horse light, flashing, border) Charging: USB power Battery(Built-in): 3.7V 240mA Communication interface: USB Color: red digital display Charging time: 3 hours Weight: 90g Package Included: 1 x LED Name Badge 1 x USB cable Note: 1. This product doesn't include the US plug 2. Please note that the new type and old type of this product will be sent randomly and make sure you will not mind before ordering. Package List 1 x LED Name Badge 1 x USB cable