PRODUCTMODEL:WB-21 POWER :10/15/20W IMPED. :DC 6 ohm BATTERY:Ni-Cd 6V 65mA VOLTAGE :DC 6-12V CURRENT :600/1200mA SOUND :1 OR 6 TONE dB/M :110/115/120dB PACKING :100PCS/44 x 38 x 35