- Color: Blue LED<br>- Large 7 x 29 dots screen displays <br>- Pitch: 1.85mm<br>- Set your own message through 7 buttons on the back of badge， can display 20 user-customizable messages<br>- Communication via PC (USB cable excluded)<br>- Closed back design<br>- Magnetic adsorption<br>- Display language: English and the language of all European countries<br>- Perfect as name badge or slogan display for tradeshows， exhibitions， conventions， promotions and advertisings<br>- Powered by CR2032 battery (included. Comes with an extra battery)<br>- Work Voltage Range: DC1.5~5V<br>- English user manual included<br><br>                                                                                                                                Dimensions: 3.27 in x 1.61 in x 0.31 in (8.3 cm x 4.1 cm x 0.8 cm)<br />Weight: 1.06 oz (30 g)<br /><br />