Can customize any sound.<br> Voice customization.<br> USB replacement sound.<br> Adjustable volume.<br> Applicable to car buses and safe exits.<br> Name: Multi-channel Voice Prompter<br> AC/DC adapter<br> Input voltage: 100-240VAC50/60Hz<br> Size (.): length 4cm/1.57in x width 2.8cm/1.1in x height 7.8cm/3.07in<br> Product model: QT-1220<br> Output: 12V-2A<br> Voltage: DC 12V-24V<br> Volume: 110 decibels<br> Colour: as shown<br> Material: plastic+metal<br> Package Contents:<br> 1 * Multi-channel voice prompter<br> Only the above package content, other products are not included.<br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store