Miniature inverter for EL tapes. Technical characteristics: external 3V or 1,5V (+/- 20%) power supply (or battery) needed. TOTAL EL FIBER LENGHT 0m-0.5m (0"-20"). Frequency: 2500 Hz, low noise. Operating mode: continuous. Indoor general use. Size: 13 mm diameter x 10 mm height (0.5" diameter x 0.4" height), weight: 2.2 g.