Features: Built-in Magnets + Pin Methods for your selection, you need not to worry about losing it. Upgraded Programming: Easy to input message to the led badges via App on your phone devices, download Mini LED Display App. High Capacity Battery: Built-in a rechargeable 200mAh battery, It lasts about 24 hours on 25% brightness and 10-12 hours on 100%brightness; Can store 550 Chinese characters or 750 English characters, or images of the same capacity. Widely used for Party, Bar, Beer, Coffee, Store, School, Restaurant, Promotion and Advertising. Specifications: Material:Electronic Conponents Display Color:Red,Blue,Yellow,Green,White,Orange,Pink,(Optional) Mount:Magnets/Pin Screen size:Approx.85x23mm/3.35x0.91in Outer frame size:Approx.93x30x6mm/3.66x1.18x0.24in Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xLED Name Display