- Large 7 x 29 dots screen displays<br />- Pitch: 1.85mm<br />- Work Voltage Range: DC 1.5~5V<br />- Magnetic adsorption<br />- Can communication via PC (USB cable excluded)<br />- Display language: English and the language of all European countries<br />- Set your own message through 7 buttons on the back of badge， can display 20 user-customizable messages<br />- Perfect as name badge or slogan display for tradeshows， exhibitions， conventions， promotions and advertisings<br />- Powered by 1 x CR2032 battery (include)， Comes with an extra battery<br />- English user manual included<br /><br />                                                                                                                                Dimensions: 3.15 in x 1.18 in x 0.35 in (8.0 cm x 3.0 cm x 0.9 cm)<br />Weight: 1.27 oz (36 g)<br /><br />