Plays your mp3 files stored on a USB memory stick or SD Card. The Velleman VM202N will start and continuously play when powered up, no need to select track or press play. Ideal for use as pre-recorded message announcement for fire or burglar alarms. When used for automotive use (12V): Put a 68 ohm/1W resistor in series with the (+) of the power supply, to avoid excess dissipation.
